Conduct the hypothesis test and provide the test statistic and the critical value, and state the conclusion.
A person randomly selected
100 checks and recorded the cents portions of those checks. The table below lists those cents portions categorized according to the indicated values. Use a
0.025 significance level to test the claim that the four categories are equally likely. The person expected that many checks for whole dollar amounts would result in a disproportionately high frequency for the first category, but do the results support that expectation?
Cents portion of check |
0-24 |
25-49 |
50-74 |
75-99 |
|
---|---|---|---|---|---|
Number |
3131 |
2121 |
2323 |
2525 |
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