Finding the value of test statistic using chi-square test

Reference no: EM1322425

9 randomly selected statistics quiz scores are listed below. Use a .10 level of significance to test the claim that the variance of all scores in the population is more than 9.

15
18
10
19
11
12
15
17
15

Give the null and alternative hypotheses.

Give the critical value(s).

Reference no: EM1322425

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