What is the correlation coefficient r for the data set? enter your answer to the nearest hundredth in the box. r = x y 25 240 26 242 27 230 28 229 28 220 28 219 29 200 30 202 31 184 32 180
Answers
The use of the excel tool given in the image above will give you the correlation coefficient of r for the data set is as r=-0.96
What is the correlation coefficient about?Note that one have to find first, the mean of all of your the x-values, and then one can find the mean of all of the y-values.
Note that one can use the excel to find the mean which will be 28.4 and 214.6 for both.
The next step is to find the standard deviation for x and y. Then, you have to put it into the formula that is given for the correlation coefficient."
When you use the excel, R will be -0.9647 and when you round up to the nearest hundredth, the answer will be -0.96.
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Related Questions
Cheap and fast gas station is conducting a consumer satisfaction survey. which method of collecting data would most likely lead to a biased sample?
Answers
A method of data collection which would most likely lead to a biased sample is interviewing customers who call an 800 number posted on the costumers receipts.
What is sampling bias?A sampling bias simply refers to a type of bias in which members of a certain population are selected in such a way that some members have a lower or higher sampling probability than the other members.
This ultimately implies that, a sampling bias occur when members of a certain population are selected incorrectly such as interviewing only the customers who call an 800 number which was posted on the costumers receipts.
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Which quote from the text reveals the central idea of the section ""the view of a son of liberty""?
Answers
Answer: B. We were dignified in destroying the tea. (paragraph 2)
A small clothing store sells 3 different types of
accessories: 20% are scarves, 60% are ties, and
the other 40 accessories are belts. If half of the
ties are replaced with scarves, how many scarves
will the store have?
Answers
Answer:
100 scarves
Explanation:
40 are belts which is the other 20%. So, each 20% is equivilent to 40 accessories. Half of the ties equals to 60. So if 40 scarves and 60 scarves combineit is 100.
Anderson was feeling sluggish after school and decided to drink an energy drink so he could focus on his homework. it didn't seem to help, so he drank another. which of these statements best describes his decision-making process?
Answers
The statement which best describes his decision-making process is that he looked for a quick fix to a problem he may face again in the future.
What is the decision-making process?The decision-making process is a cognitive process that involves gathering (obtaining) information, analyzing them, and then evaluating alternatives, so as to enable the proper selection of an optimum solution (choice) to a particular problem.
In this scenario, we can logically deduce that the statement which best describes Anderson's decision-making process is that he looked for a quick fix (solution) to a problem which he's likely to face again in the future.
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Use the drop-down menus to complete each statement. electromagnets are made by coiling around certain . when electricity is passed through the , the in the all line up in the same direction, creating the "north" and "south" pole effect.
Answers
Electromagnets can be turned on and off and can conduct electricity. They are made by coiling wires, and when the electricity is passed the atom lines up.
What is electromagnetism?Electromagnetism studies electromagnets, their behavior, and their uses. Electromagnets are made by coiling the wires that pass the electric current through them making the atoms to line up.
When the charges move across the wires then the magnetic field is created which results in magnetism. The north and south pole like the magnets are created that attracts and repels.
Therefore, electromagnets are studied in electromagnetism.
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Healthy grains is planning a new design for its best-selling oatmeal. it has four containers to choose from. it costs the company $0.03 per cubic inch of oatmeal to fill a container. the company does not want the new container to cost more than $4.00 to fill. which container should the company use? use 3.14 for pi.
Answers
The container that the company should use is Container B because it costs less than $4.
Calculations and Parameters:Given that:
The volume of the Cylinder =
We would calculate individually for each of the containers:
Cost of container A
=137.135 * 0.03
=$4.12.
The volume of container B=
Base area x height
=12.57x10=125.7 cubic in.
Cost of container B=
125.7 * 0.03
=$3.77
The volume of container c= cubic in
Cost of container C=
276.32 * 0.03
=$8.29.
The volume of container D= cubic in.
Cost of container D=
169.56 * 0.03
=$5.08.
Container B cost less than $4, so it is the right answer.
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According to one acid-base theory, nh3 acts as a base when an nh3 molecule
Answers
Answer:
...acts as a base when and NH3 molecule accepts an (H⁺ ion)
Julian is working on a project that requires regular updates on the amount of work completed and deadlines achieved in a day. julian and all other team members have access to a shared workbook that the team manager created. which specific operation can julian and other team members perform on the shared workbook?
Answers
The specific operation that Julian and other team members perform on the shared workbook is; Enter Numbers.
How to use Microsoft Worksheets?A worksheet is a tool in Microsoft that serves as a grid of columns as well as rows whereby users can add information and this contains several worksheets and can be named.
Now, since the project requires regular updates on the amount of work completed and deadlines achieved in a day, then it means one of the most important operation Julian and her team members can perform on the work book is to enter numbers.
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You are using an approved third party tool in your client project and find a bug in it
Answers
No, you cannot decompile the code because it's a violation of the third party's intellectual property rights.
What is an intellectual property right?An intellectual property (IP) right can be defined as a type of right given to an innovator by the government, especially for an intangible and innovative creation of the mind that solely depends on human intellect.
In this context, we can infer and logically deduce that you can't decompile the code for this approved third party tool because it's a violation of the third party's intellectual property rights.
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Dylan and roberta want to teach their children about money management. what is the best way to help their children understand money?
Answers
The best way to help children understand money is: The children should manage their own weekly allowances.
How to teach children about money?When talking about money, it is always good to teach children about the use of money as early as possible. This is to enable them to start attaching the right value to money and learning about savings as early as possible.
Now, the best way to teach children about money management is to allow them manage their own money. This is good because experience is often said to be the best teacher.
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With help from other enzymes, dna polymerase acts to join nucleotides together to form a new strand of dna. during normal dna replication at a replication fork, where does dna polymerase act?
Answers
Answer:
along both strands of DNA, where it produces complementary strands for each of the original strands
Becky is preparing a document for her environmental studies project. she wants to check her document for spelling and grammar errors. which function key command should she use?
Answers
A function key is a special key designed to preform a specific set task, in this case, f7 is used for spell checks and grammar check a document.
How do dying stars contribute to the formation of new stars?
Answers
Answer:
Their radiation facilitates nuclear fusion in young stars, which helps the new stars form. Dying stars also release helium into the atmosphere and onto nearby planets.
Listen and choose the activity that goes with the description. preparing an itinerary. packing for a trip. getting ready to book a trip. on vacation at the beach
Answers
Touring or tourism travel, school trips, vacation, business trip, etc.,. preparing an itinerary, packing for a trip and others.
What should be seen in a travel itinerary?In any travel itinerary, people often book hotels, car rentals, and others.
The aim of tourism is to relax, see nice places and feel better and so, Touring or tourism travel, school trips, vacation, business trip, etc.,. preparing an itinerary, packing for a trip and others.
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Answer: Preparing an itinerary. :]
Explanation:
Stephanie graduated from college and on her first job earned an annual salary of $25,000.
Answers
Based on the calculations, Stephanie's net monthly income (NMI) is equal to $1,666.33.
How to calculate net monthly income?The net monthly income (NMI) of an employee can be calculated by subtracting the total deductions from the gross monthly income (GMI).
For the GMI, we have:
GMI = GAI/12
GMI = 25,000/12
GMI = $2,083.33.
For the total deductions, we have:
Total deductions = 259.00 + 132.00 + 26.00
Total deductions = $417.00.
Now, we can calculate the net monthly income (NMI):
NMI = GMI - total deductions
NMI = 2,083.33 - 417.00
NMI = $1,666.33.
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1/3x-1/6y=4 6x-ay=8 in the system of equatuons above, a is a constant. if the system has no solution, what is the value of a?
Answers
Answer:
3
Explanation:
(1/3x-1/6y)×18=4×18 ⇒ 6x-3y=72
6x-ay=8 if a=3 ⇒ 6x-3y=8
72≠8
a=3 ⇒ system has no solution
Consumer protection comes from which of the following types of agencies?
-government
-for-profit business
-non-profit private
-All of the choices are correct.
Answers
Consumer protection comes from the following type of agency: A. government.
What is Consumer protection?Consumer protection can be defined as a process that involves safeguarding and protecting the well-being and interests of buyers of goods and services, especially through a government agency that is established and saddled with following responsibilities:
EducationMobilizationRepresentationIn this context, we can infer and logically deduce that consumer protection comes from a government agency.
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According to the laws of supply and demand, if romans begin to eat more grain and the egyptians who supply it to them continue to grow the same amount, what will eventually happen?
Answers
In the above scenario of demand and supply, Rome will pay more for the grain, and Egypt will produce more.
What is the law about?The law of demand implies that at a set higher prices, customers will demand low of a good.
The law of supply says that at big prices, sellers will supply a lot of an economic good.
Therefore, In the above scenario of demand and supply, Rome will pay more for the grain, and Egypt will produce more.
See options below
Rome will pay more for the grain, and Egypt will produce more.
Rome will pay less for the grain, and Egypt will produce less.
Rome will pay less for the grain, and Egypt will produce more.
Rome will pay more for the grain, and Egypt will produce less.
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A recent survey by a large circulation canadian magazine on the contribution of universities to the economy was circulated to 394 people who the magazine decided "are most likely to know how important are universities to the canadian economy". the main problem with using these results to draw conclusions about the general public's perception is:
Answers
The main problem associated with using these results to draw conclusions about the general public's perception is a lack of random selection.
What is a simple random sample?A simple random sample simply refers to a subset of items that are typically selected from a statistical population (larger data set), wherein, each member of the subset has an equal probability of being selected.
Based on this survey by the Canadian magazine, we can infer and logically deduce that the main problem associated with using the aforementioned results to draw conclusions about the general public's perception is a lack of random selection.
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Based on the given information, determine which company has a lower minimum and find the minimum value. g(x) at (10, 855) f(x) at (16, 536) g(x) at (16, 536) f(x) at (10, 855)
Answers
The minimum production cost of company 2 is greater than the minimum production cost of company 1. We arrived at this value by comparing the production cost of both companies.
What is meant by minimum production cost?The overall cost incurred by a company to manufacture a product or provide services is known as the cost of production.
The objective of every company is to keep this cost at minimum, hence the minimum production cost.
How do find minimum Production Cost?Recall that the production function is given as:
f(x) = 0.25x² - 8x + 600
Inserting the values given by the schedule we have
f(6) = 0.25(6²) - 8(6) + 600 = 561f(8) = 0.25(8²) - 8(8) + 600 = 552f(10) = 0.25(10²) - 8(10) + 600 = 545f(12) = 0.25(12²) - 8(12) + 600 = 540f(14) = 0.25(14²) - 8(14) + 600 = 537For company 2, we are given the various production costs as;
x - g(x)
6 - 862.2
8 - 856.8
10 - 855
12 - 856.8
14 - 862.2
Juxtaposing the above, we can infer that the minimum production cost of company 2 is greater than the minimum production cost of company 1.
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Which expression represents the total perimeter of the pool edge? 12x2 + 15 20x2 + 25 12x2 + 8x + 25 24x2 + 16x + 50
Answers
An expression which represents the total perimeter of the triangular pool edge is: A. 12x² + 15.
How to calculate the perimeter of a triangle?Mathematically, the perimeter of a triangle can be calculated by using this formula:
P = a + b + c
Where:
a, b, and c are length of sides.
In this scenario, the total perimeter of this triangular community pool is given by this mathematical expression:
Total perimeter = 3 × side of square
Total perimeter = 3 × (4x² + 5)
Total perimeter = 12x² + 15 units.
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Complete Question:
The tile along the edge of a triangular community pool needs to be replaced. Which expression represents the total perimeter of the pool edge?
Answer:
A) 12x2 + 15
Explanation:
Starting with 0.750l of a buffer solution containing 0.30 m benzoic acid (c6h5cooh) and 0.35 m sodium benzoate (c6h5coona), what will the ph of the solution be after the addition of 340.0 ml of 0.350m hcl? (ka (c6h5cooh) = 6.5 x 10-5)
Answers
Answer:
a
Explanation:
What can be predicted about the waves if they were to crash into each other? refraction would occur. interference would occur. the resulting wave would travel at 4.2 hertz. the crest of wave a would overlap the trough of wave b.
Answers
Due to constructive interference, we can predict that: C. the resulting wave would travel at 4.2 hertz.
What is constructive interference?Constructive interference of a wave can be defined as a phenomenon through which two waves of the same frequency and phase combines to form a wave of higher magnitude.
This ultimately implies that, the constructive interference of a wave causes an increase in the amplitude or frequency of waves.
Due to constructive interference, we would have:
Wave = 3 + 1.2
Wave = 4.2 hertz.
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Complete Question:
Jerimiah is studying Wave A and Wave B. Wave A is traveling at 3 hertz, and Wave B is traveling at 1.2 hertz. What can be predicted about the waves if they were to crash into each other?
Each of these are ways of incorporating classified source material into new material except
Answers
Planning is not one of the ways to incorporate classified source material into a new material.
What is a classified source material?A classified source material can be defined as an information source that comprises very important and sensitive information that must only be shared and disseminated secretly with authorized persons.
Generally, planning isn't considered as one of the ways to incorporate classified source material into a new material because it might eventually get leaked to unauthorized persons.
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Which output device allows a user to create a copy of what is on the screen?
printer
speakers
earphones
display or monitor
Answers
Answer:
monitor
Explanation:
Answer:
printer
Explanation:
got right on edg :)
You have studied two other short stories, "the lady, or the tiger?" by frank r. stockton and "the necklace" by guy de maupassant. choose one of these stories and supply the information requested. if you need to reread the story, go to the link at the bottom of the lesson. characters
Answers
The plot of the "the lady, or the tiger?" by Frank r. Stockton, it tells the story about high classes of French society.
What is the story about?The story titled "The Necklace" occurs in France and it took place in the mid nineteenth century.
Note that the context of the story is set on the high classes of French society and how Madame Loisel wans in dine need to belong to them.
Therefore, The plot of the "the lady, or the tiger?" by Frank r. Stockton, it tells the story about high classes of French society.
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Data collected at checkout counters in a grocery store is an example of:
Answers
Answer: Its an example of input
This writing requires a works cited page because shakespeare lived so long ago. researched facts are included. the subject is controversial. terms need to be defined.
Answers
Answer:
b) researched facts are included
Explanation:
Smelling warm cinnamon, sugar, and bread uses _______ processing but interpreting those smells and perceiving grandma’s warm cinnamon rolls uses ______ processing. Question 22 options: Sensory; Gestalt Bottom-up; Top-down Top-down; Bottom-up Interpretative; Sensory
psychology 201 a
Answers
Answer:
m
Explanation:
A shipping company needs to hire new people to fill a variety of positions in its warehouse and distribution center. some common qualifications these employees should possess include
Answers
The qualifications of the employees are physical stamina and dexterity, the ability to maintain and operate equipment, and patience for performing repetitive work.
What does shipping mean?The term shipping is known to be when an item or goods have left the warehouse of the supplier to be delivered to the end customer.
Note that Some common qualifications these employees should possess include physical stamina and dexterity, the ability to maintain and operate equipment, and patience for performing repetitive work.
Note that Shipping work is one that involves moving a lot of things and as such people who does it need to have a lot of physical straight and be agile. Knowing how to handle equipment is also important because one can be left alone and as such one needs to have good knowledge of the machinery parts.
See full question below
A shipping company needs to hire new people to fill a variety of positions in its warehouse and distribution center. Some common qualifications these employees should possess include
A)physical stamina and dexterity, the ability to maintain and operate equipment, and patience for performing repetitive work.
B)a willingness to travel, knowledge of laws and regulations, and effective teaching and training skills.
C)the ability to supervise others, critical thinking to analyze information and make predictions, and a positive attitude.
D)the training to spot hazards and violations, the knowledge to fix vehicles, and negotiating skills.
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Answer:
A. physical stamina and dexterity, the ability to maintain and operate equipment, and patience for performing repetitive work.
Explanation:
sorry if this is wrong