At a school in Copenhagen, it is believed that favourite music genre is related to gender. 400 students were asked to indicate their favourite music genre from a selection and the results are indicated in the table below.
Pop | Rock | Classical | Rap | |
Female | 58 | 63 | 17 | 44 |
Male | 23 | 96 | 12 | 87 |
It is decided to test this hypothesis by using a test at the 5% significance level.
The critical value is 7.815.
State the null and alternative hypotheses for this test.
Write down the number of degrees of freedom for this table.
Calculate the test statistic for this data.
What conclusion can be drawn from this test? Give a reason for your answer.
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