Answered: The accompanying table shows the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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9) The accompanying table shows the frequency distribution for the mileage on a sample of a certain rental company's rental cars. If appropriate, use midpoints of ranges in finding approximate values. Complete parts a and b.

Click the icon to view the frequency distribution for the mileage on the sample of cars.

a. Calculate the approximate average mileage per car for the sample.

The approximate average mileage for the sample is----

(Round to the nearest integer as needed.)

b. Calculate the approximate variance and standard deviation for the sample.

The approximate variance for the sample is-----

(Round to the nearest integer as needed.)

The approximate standard deviation for the sample is----

(Round to the nearest integer as needed.)

Mileage	Frequency
7,000 to under 9,000	19
9,000 to under 11,000	8
11,000 to under 13,000	22
13,000 to under 15,000	12
15,000 to under 17,000	15
17,000 to under 19,000	8

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