Jiffy Lube has franchises in two different parts of a city. The number of oil changes made

Question:

Jiffy Lube has franchises in two different parts of a city. The number of oil changes made daily, for 25 days, is given below.

East Store 33 59 27 30 42 19 42 25 22 32 27 57 37 52 67 38 44 43 15 31 49 41 35 West Store 38 46 38 38 30 38 38 37 39 31


(a) Construct a frequency distribution for each store with a first class of 15–20. 

(b) Draw a histogram indicating the number of oil changes at each store. 

(c) Using the histogram, determine which store appears to have a greater mean, or do the means appear about the same? Explain. 

(d) Using the histogram, determine which store appears to have the greater standard deviation. Explain. 

(e) Calculate the mean for each store and determine whether your answer in part (c) was correct.

(f)  Calculate the standard deviation for each store and determine whether your answer in part (d) was correct.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

Question Posted: