A retail sales associate claims that the tax preparation methods of adults are distributed as follows: 25% go to an accountant, 20% do their taxes by hand, 40% use a computer software, 6% get help from a friend and 9% use a tax prep service. The tax preparation company randomly selects adults and asks them how they prepare their taxes. Test the associate's claim at 1% significance Round to the fourth as needed. Categories Observed Frequency Expected Frequency Acct 171 Hand 116 Comp 295 Friend 47 Service 147 Test Statistic: Degrees of Freedom: p-val:
A retail sales associate claims that the tax preparation methods of adults are distributed as follows: 25% go to an accountant, 20% do their taxes by hand, 40% use a computer software, 6% get help from a friend and 9% use a tax prep service. The tax preparation company randomly selects adults and asks them how they prepare their taxes. Test the associate's claim at 1% significance Round to the fourth as needed. Categories Observed Frequency Expected Frequency Acct 171 Hand 116 Comp 295 Friend 47 Service 147 Test Statistic: Degrees of Freedom: p-val:
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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A retail sales associate claims that the tax preparation methods of adults are distributed as follows: 25% go to an accountant, 20% do their taxes by hand, 40% use a computer software, 6% get help from a friend and 9% use a tax prep service. The tax preparation company randomly selects adults and asks them how they prepare their taxes. Test the associate's claim at 1% significance
Round to the fourth as needed.
| Categories | Observed Frequency |
Expected Frequency |
|---|---|---|
| Acct | 171 | |
| Hand | 116 | |
| Comp | 295 | |
| Friend | 47 | |
| Service | 147 |
Test Statistic:
Degrees of Freedom:
p-val:
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