Statistics for Business and Economics
8th Edition
ISBN: 9780132745659
Author: Paul Newbold, William Carlson, Betty Thorne
Publisher: PEARSON
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Question
Chapter 2, Problem 44E
a)
To determine
Identify the sample mean number of minutes late.
a)
Expert Solution
Explanation of Solution
From the given information, the mean number of claims per policy can be calculated as follows:
A table can be constructed using the value of mean as follows:
Table 1.
mi | fi | ||||
5 | 30 | 150 | -13.133 | 172.46 | 5173.90 |
15 | 25 | 375 | -3.133 | 9.81 | 245.32 |
25 | 13 | 325 | 6.867 | 47.16 | 613.11 |
35 | 6 | 210 | 16.867 | 284.51 | 1707.07 |
45 | 5 | 225 | 26.867 | 721.86 | 3609.30 |
55 | 4 | 220 | 36.867 | 1359.21 | 5436.84 |
Total | 83 | 1505 | 16785.54 |
b)
To determine
Identify the sample variance and standard deviations.
b)
Expert Solution
Explanation of Solution
The sample variance and standard deviation can be calculated using the tabulated values as follows:
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This question was rejected because it was not clear so I took two screenshots of the same homework question. Thank you for your help!
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Chapter 2 Solutions
Statistics for Business and Economics
Ch. 2.1 - Prob. 1ECh. 2.1 - Prob. 2ECh. 2.1 - Prob. 3ECh. 2.1 - Prob. 4ECh. 2.1 - Prob. 5ECh. 2.1 - Prob. 6ECh. 2.1 - Prob. 7ECh. 2.1 - Prob. 8ECh. 2.1 - A random sample of 156 grade point averages for...Ch. 2.1 - Prob. 10E
Ch. 2.2 - Prob. 12ECh. 2.2 - Prob. 13ECh. 2.2 - Prob. 14ECh. 2.2 - Prob. 15ECh. 2.2 - Prob. 16ECh. 2.2 - Prob. 17ECh. 2.2 - Prob. 18ECh. 2.2 - Prob. 19ECh. 2.2 - Prob. 20ECh. 2.2 - Prob. 21ECh. 2.2 - Prob. 22ECh. 2.2 - Prob. 23ECh. 2.2 - Prob. 24ECh. 2.3 - Prob. 26ECh. 2.3 - Prob. 27ECh. 2.3 - Prob. 28ECh. 2.3 - Prob. 29ECh. 2.3 - Prob. 30ECh. 2.3 - Prob. 31ECh. 2.3 - Prob. 32ECh. 2.3 - Prob. 33ECh. 2.3 - Prob. 34ECh. 2.4 - Prob. 35ECh. 2.4 - Prob. 36ECh. 2.4 - Prob. 37ECh. 2.4 - Prob. 38ECh. 2.4 - Acme Delivery offers three different shipping...Ch. 2.4 - Prob. 40ECh. 2.4 - Prob. 42ECh. 2.4 - Prob. 43ECh. 2 - Prob. 44ECh. 2 - Prob. 46ECh. 2 - Prob. 47ECh. 2 - Prob. 49ECh. 2 - Prob. 50ECh. 2 - Prob. 51ECh. 2 - Prob. 52ECh. 2 - Prob. 55ECh. 2 - Prob. 56E
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