You work for a consumer watchdog publication and are testing the advertising claims of a tire manufacturer. The manufacturer claims that the life spans of the tires are normally distributed, with a mean of 40,000 miles and a standard deviation of4000 miles. You test 16 tires and get the following life spans. Complete parts (a) through (c) below.47,256 42,823 26,609 37,645 33,878 39,623 42,284 34,706 D25,367 33,552 37,535 37,343 30,838 36,195 35,673 45,180(a) Draw a frequency histogram to display these data. Use five classes. Choose the correct answer below.OA.O B.Life spans of tiresOC.Life spans of tiresLife spans of tires27,555 545.0527,555.545.0675Distance (in miles)Distance (in miles)27,555 545,067.5Distance (in miles)Is it reasonable to assume that the life spans are normally distributed? Why? Choose the correct answer below.O A. No, because the histogram is neither symmetric nor bell-shaped.O B. No, because the histogram is symmetric and bell-shaped.OC. Yes, because the histogram is neither symmetric nor bell-shaped.O D. Yes, because the histogram is symmetric and bell-shaped.

Answered: You work for a consumer watchdog…

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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Compute each of the single-variable statistics discussed in class for the data below: 84.7 58.2 89.1 89.7 44.3 91.9 68.3 84.1 94.9 58.2 Find the mean, median, mode, 1st quartile, 3rd quartile, standard deviation, range, variance.

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