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Given the 5 categories in the table below, test the claim that the categories are equally likely to be selected at a =0.05=0.05 significance level.
Given the 5 categories in the table below, test the claim that the categories are equally likely to be selected at a =0.05=0.05 significance level.
Category | Observed Frequency | Expected Frequency |
A | 17 | |
B | 23 | |
C | 20 | |
D | 25 | |
E | 9 |
- Complete the table by calculating the expected frequencies.
- What is the chi-square test statistic? Round to three decimal places. 2=2=
- What are the degrees of freedom? d.f.=
- What is the pp-value for this sample? Round to four decimal places. pp-value =
- Is the pp-value less than ? ? Yes No
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