A CPA studied the number of exemptions claimed on tax returns. The data are summarized as follows:
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Question:
Exemptions | Percent |
1 | 10 |
2 | 20 |
3 | 50 |
4 | 20 |
a. What is the mean number of exemptions claimed?
b. What is the variance of the number of exemptions claimed?
c. What is the standard deviation of the number of exemptions claimed.
Related Book For
Statistical Techniques in Business and Economics
ISBN: 978-1259666360
17th edition
Authors: Douglas A. Lind, William G Marchal
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