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Get Full Access to Elementary Statistics: Picturing The World - 6 Edition - Chapter 2.3 - Problem 64ec
Get Full Access to Elementary Statistics: Picturing The World - 6 Edition - Chapter 2.3 - Problem 64ec

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# Midrange Another measure of central tendency that is

ISBN: 9780321911216 66

## Solution for problem 64EC Chapter 2.3

Elementary Statistics: Picturing the World | 6th Edition

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Problem 64EC

Problem 64EC

Midrange Another measure of central tendency that is rarely used but is easy to calculate is the midrange. It can be found by using the formula

Which of the manufacturers In Exercise 63 would prefer to use the midrange statistic in their ads? Explain your reasoning.

Exercise 63

Data Analysis A consumer testing service obtained the mileages (in miles per gallon) shown in the table at the left in five test runs performed with three types of compact cars.

(a) The manufacturer of Car A wants to advertise that its car performed best in this test. Which measure of central tendency-mean, median, or mode—should be used for its claim? Explain your reasoning.

(b) The manufacturer of Car B wants to advertise that its car performed best in this test. Which measure of central tendency—mean, median, or mode—should be used for its claim? Explain your reasoning.

(c) The manufacturer of Car C wants to advertise that its car performed best in this test. Which measure of central tendency—mean, median, or mode—should be used for its claim? Explain your reasoning.

 Car A B C Run 1 28 31 29 Run 2 32 29 32 Run 3 28 31 28 Run 4 30 29 32 Run 5 34 31 30

Step-by-Step Solution:

Solution:

Step 1 of 2:

We have to find which of the manufactures in the given exercise is preferable by using the midrange.

Midrange =

 Car A B C Run 1 28 31 29 Run 2 32 29 32 Run 3 28 31 28 Run 4 30 29 32 Run 5 34 31 30

Step 2 of 2