Finding the value of test statistic using chi-square test

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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.

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18
10
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11
12
15
17
15

Give the null and alternative hypotheses.

Give the critical value(s).

Reference no: EM1322425

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