Suppose that you are about to purchase a car and have narrowed your choices to two models --Model A and Model B. All things are about equal, such as price, options, even the average annual maintenance costs. You find an owner survey in an auto magazine that indicates that the standard deviation of maintenance costs is smaller for Model B. Based on this information, which of the following statements is most appropriate?
A. Model B with the smaller standard deviation is preferable, because the smaller value implies that the mean is a more reliable representation of maintenance costs.
B. Model A with the larger standard deviation is preferable. Cecause the larger value implies a smaller amount of variation in the data
C. Neither of the models are good since both standard deviations are not equal to 0. B 2
D. They are equally acceptable, because standard deviations are not useful for comparisons of data sets.
E. Cannot determine based on the information provided.

Answers

Answer 1

Answer:

A. Model B with the smaller standard deviation is preferable, because the smaller value implies that the mean is a more reliable representation of maintenance costs.

Step-by-step explanation:

The standard deviation is a measure of the variability of a dataset about a mean value. Larger values of standard deviation implies that the values varies Hugely about the mean whole smaller variability measure values mean that the data only varies a little about the mean. The implication of having a large variability value is that, low and high values in the data can be very different from the mean values, hence, lowering the reliability of Mean value. The lesser varibality gives the mean more reliability as a measure of centre


Related Questions

Someone pls help me with this problem

Answers

Answer:

B.

Step-by-step explanation: it is A. not B.

someone please help!! will reward brainliest

Answers

I think you should add 5x
You should add 7x to both sides. Since the goal is to solve for x, you don't want to make the equation equal to 0 by adding 5x. Get all the Xs to one side!

If you can answer this u are the best

Answers

Answer:

47

Step-by-step explanation:

if there are 100 total and 45 are girls, then there are 55 boys enrolled. since 8 are absent- 55-8=47

i need help pls!
this test is about angles, and i am having trouble with it.

Answers

Answer:

Alternate interior

This is your answer

Answer:

alternative .....................

4.0/5.7=1.8/x what is the answer for u smart people

Answers

Answer:

here you go

Step-by-step explanation:

Answer:

2.565

Step-by-step explanation:

Hope that this helps!

A cone has a base radius of 3 cm and a slant height of 5 cm.
Find h, the perpendicular height of the cone.

Answers

Answer:

h=4

Step-by-step explanation:

5²-3²=h²

h²=16

h=4cm

Answer:

I=4 (Slant height)

R=3 (Radius)

H=5 (slant height)

Step-by-step explanation:

Imagine inclination, peprendicular height and radius as a triangle, so this will have a 90 degrees angle and Pythagor theorem will imply to the calculations, as :

[tex]a^{2}+b^{2}= c^{2}\\[/tex]

where Height is A , Radius is B, and Inclination is C we have:

[tex]3^{2} +I^{2} = 5^{2}[/tex]

from above we have:

[tex]I^{2} =25-9[/tex]

and

[tex]\sqrt{I}=\sqrt{16} =4[/tex]

20 POINTS HELP!!
Find the value of x and y

Answers

Answer:

X is 15 and Y is 40° That's the answer

How much shorter of a kiloliter is 498 Litre?​

Answers

Answer:

hi

Step-by-step explanation:

Answer:498000

Step-by-step explanation:

Please answer this question​

Answers

Answer:

Step-by-step explanation:


Find the value of x in the figure

(2x +5)*
(4y -1)*
(3x -33)*

A x=25
B x=36
C x=37
X x=38

Answers

Step-by-step explanation:

I hope the picture is visible

:)

To build a computer, Tom needs to buy a motherboard for £ 120, and a CPU for
£ 100.Then find the total cost of building 10 computer ?

Answers

Answer:

£2200

Step-by-step explanation:

1 computer = £120 + £100

1 computer = £220

10 computers = £220 x 10

10 computers = £2200

Which words best fill in the blank indicate a shift in setting?

Answers

Answer:

4.upon

Step-by-step explanation:

make a flow chart showing that the two triangles are congruent. NO LINKS!​

Answers

Answer:

Step-by-step explanation:

I take it the unmarked angle on the top triangle should be Q

The way the triangles are marked the following are the statements.

<Q = < X                Given

RQ  = XZ               Given

XY =  PQ               Given

Is the angle included between the two given sides?

If yes then the Two Triangles are congruent by SAS

If no then the Two Triangles cannot be conclusively known to be congruent.

I have to leave you to figure out the flow chart symbols. I have no way of showing this as a flow chart if it is a computer program flow chart.  

solve the inequality 3/5x +30>150

Answers

Answer:

Step-by-step explanation:

3/5x+30=150

We move all terms to the left:

3/5x+30-(150)=0

Domain of the equation: 5x!=0

x!=0/5

x!=0

x∈R

We add all the numbers together, and all the variables

3/5x-120=0

We multiply all the terms by the denominator

-120*5x+3=0

Wy multiply elements

-600x+3=0

We move all terms containing x to the left, all other terms to the right

-600x=-3

x=-3/-600

x=1/200

Help !!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

The first option being 12/25

With the spinner shown, the theoretical probability of landing on 2 is 0.25. Which number of spins would most likely result in a relative frequency that is closest to the theoretical probability?

Answers

just give the other kid brainiest

Step-by-step explanation:

What is the measure of arc BC?

Answers

9514 1404 393

Answer:

  100°

Step-by-step explanation:

Arc BC is twice the measure of inscribed angle BEC, so is ...

  arc BC = 2×50°

  arc BC = 100°

Answer:

Step-by-step explanation:

The inscibed angle E is 1/2 the measure of the central angle P so P is 100 degrees, and arc BC is also 100 degrees.

Survey data involving two random samples of students at law school are shown. The surveys were taken comparing the age of students in 1900 to the age of students in 2014

Whats the answer

Answers

Answer:

A and C if you don't believe me look at this link down below

Step-by-step explanation:

https://fsassessments.org/assets/documents/answer-keys-paper/FSA_2018_7M_Practice-Test_Answer-Key_PBT_Final.pdf

Statement first there was a ten-year age gap between the oldest and youngest students in 1990.and statement fourth are correct

What are population and sample?

It is defined as the group of data having the same entity which is related to some problems. The sample is a subset of the population, it is a part of the population.

We have:

Survey data involving two random samples of students at law school are shown. The surveys were taken, comparing the age of students in 1900 to the age of students in 2014.

The statements that are true about the two samples of students:

In 1990, there was a 10-year age difference between the oldest and youngest students.In 2014, the median age of students was greater than the median age in 1990.

Thus, statement first there was a ten-year age gap between the oldest and youngest students in 1990.and statement fourth are correct

Learn more about the population and sample here:

brainly.com/question/9295991

#SPJ2

Which fraction correctly represents 0.63?

A 5/12

B 7/11

C 2/3

D 9/13

Answers

Answer:

7/11

Step-by-step explanation:

take the numirater and divide by denominator

7÷11=0.6363....

Answer:

like owlowlowl said '7/11'

Jessica begged her parents for a new bike for months before her birthday. On her birthday, her parents presented her with a shiny silver
bike Jessica was so excited that she told her parents she'd cherish the bike forever. She rode her bike every day and wouldn't let anyone else touch
it
What does cherish mean?
O 1. remember
0 2. share
3 treasure
4 watch

Answers

Cherish also means remember. Jessica will never forget about her bike.
Your answer is 1. remember

Please help Mach the measurmeants it is 10 p

Answers

Answer:

Step-by-step explanation:

40cm—0.4m

4000mm=4m

4mm=0.4cm

4m=400cm

40km=40,000m

Can’t see the last box in the left line.

1km=1000m

1m=100cm

1cm=10mm

Which figure shows a reflection of ​pre-image QRS​ over the line t?

I need help PLSSSSS 50 points!!!

Answers

Answer:

A, because its reflecting off of the y axis

Step-by-step explanation:

I have proof links, and I took the test

Which of the following is the correct point-slope equation for the line that
passes through the point (-3,-9) and is parallel to the line given by
y = 2.5x - 20?
O A. Y-3 = 2.5(x-9)
B. y + 3 = 2.5(x + 9)
O C. y + 9 = 2.5(x + 3)
O D. Y- 9 = 2.5(x-3)

Answers

The answer is A because

GIVING BRAINIEST!!!!!

Answers

Answer:

Clearly, the probability of drawing a heart out of the deck is 13/52, or 1/4. The probability of drawing an even number as card #2 (∈{2,4,6,8,10}) for any suit is 20/51, except when the first card drawn is an even heart, then the probability of the second draw is 19/51.

What is z if x = 25, u = 22, o= 6, and
n = 9?

A. -2.5
B. -1.5
C. 1.5
D. 2.5

Answers

Answer:

what's the equation????

What percent of 80 is 20? Answer pla

Answers

Answer:

25%

Step-by-step explanation:

[tex] \frac{20}{80} = \frac{1}{4} = 0.25 = 25\%[/tex]

Which number line shows the solutions to
1x – 2 > 0?
Pls help

Answers

I has to be the 3rd one ! If not im really sorry

Which of these is a ratio table?
А
1
2
3
B
5
6
7
B
4.
A
1
2
3
7
A
1
2
3
B
1
4
9
A
1
2
3
B
2
4
6

Answers

Answer:

A 123 and b 246 i think so these follow ratio table

Complete the function table for each equation

Answers

Answer:

y=-32, 0, -16, -4, 16

Step-by-step explanation:

y=4(-6)-8= -32

y=4(2)-8 = 0

y=4(-2)-8 = -16

y=4(1) -8 = -4

y=4(6) -8= 16

For the given equation of the line, the complete table is attached below.

Use the concept of the equation of line defined as:

A line has length but no width, making it a one-dimensional figure. A line is made up of a collection of points that can be stretched indefinitely in opposing directions. Two points in a two-dimensional plane determine it.

The given equation of a line is,

y = 4x - x

To complete the table:

Put x = -6 in this equation,

y =  (-4)(-6) - 8

y = 16

Put x = 2 in the equation,

y =  (-4)(2) - 8

y = -16

Put x = -2 in the equation,

y =  (-4)(-2) - 8

y = 0

Put x = 1 in the equation,

y =  (-4)(1) - 8

y = -12

Put x = 6 in the equation,

y =  (-4)(6) - 8

y = -32

The complete table is attached below.

To learn more about the equation of line visit:

brainly.com/question/18831322

#SPJ6


[tex]2 \times (2 - 6 + 3 + 64 \times 3)[/tex]
Who will get the answer first?​

Answers

Answer:

382

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Step-by-step explanation:

Step 1: Define

Identify

2 × (2 - 6 + 3 + 64 × 3)

Step 2: Evaluate

(Parenthesis) Multiply:                                                                                       2 × (2 - 6 + 3 + 192)(Parenthesis) Subtract:                                                                                     2 × (-4 + 3 + 192)(Parenthesis) Add:                                                                                            2 × (-1 + 192)(Parenthesis) Add:                                                                                            2 × 191Multiply:                                                                                                             382
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