Use the Following to Answer Questions

question 62

Multiple Choice

Use the following to answer questions :
A random sample of 28 elements selected from a population produced a variance equal to 16.682.The null hypothesis is that the population variance is greater than or equal to 18.70 and the alternative hypothesis is that the population variance is less than 18.70.Assume that the population is normally distributed.The significance level is 2.5%.
-The critical value of chi-square is:

• A)14.573
• B)43.195
• C)41.923
• D)13.844

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Relating to or concerned with the actions or activities of living organisms towards their environment.

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