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...


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 of<br>4000 miles. You test 16 tires and get the following life spans. Complete parts (a) through (c) below.<br>47,256 42,823 26,609 37,645 33,878 39,623 42,284 34,706 D<br>25,367 33,552 37,535 37,343 30,838 36,195 35,673 45,180<br>(a) Draw a frequency histogram to display these data. Use five classes. Choose the correct answer below.<br>OA.<br>O B.<br>Life spans of tires<br>OC.<br>Life spans of tires<br>Life spans of tires<br>27,555 5<br>45.05<br>27,555.5<br>45.0675<br>Distance (in miles)<br>Distance (in miles)<br>27,555 5<br>45,067.5<br>Distance (in miles)<br>Is it reasonable to assume that the life spans are normally distributed? Why? Choose the correct answer below.<br>O A. No, because the histogram is neither symmetric nor bell-shaped.<br>O B. No, because the histogram is symmetric and bell-shaped.<br>OC. Yes, because the histogram is neither symmetric nor bell-shaped.<br>O D. Yes, because the histogram is symmetric and bell-shaped.<br>

Extracted text: 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 of 4000 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 D 25,367 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 tires OC. Life spans of tires Life spans of tires 27,555 5 45.05 27,555.5 45.0675 Distance (in miles) Distance (in miles) 27,555 5 45,067.5 Distance (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.

Jun 04, 2022
SOLUTION.PDF

Get Answer To This Question

Related Questions & Answers

More Questions »

Submit New Assignment

Copy and Paste Your Assignment Here