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The Following Are the Competing Hypotheses and the Relevant Summary

Question 64
Multiple Choice

The following are the competing hypotheses and the relevant summary statistics: img img The p-value associated with the value of the test statistic is 0.3692.At the 5% significance level,which of the following conclusions is correct? A) We reject the null hypothesis and conclude that the variances differ. B) We do not reject the null hypothesis and conclude that the variances differ. C) We reject the null hypothesis and cannot conclude that the variances differ. D) We do not reject the null hypothesis and cannot conclude that the variances differ.

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Q 65
Consider the expected returns (in percent)from two investment options.Beth wants to determine if investment 1 has a lower variance.Use the following summary statistics. Which of the following are the competing hypotheses for this test? A) B) C) D)
Q 66
Consider the expected returns (in percent)from the two investment options.Beth claims that the variances of the returns for the two investments differ.Use the following data to arrive at the results. Which of the following is the correct p-value? A) 0.2873 B) 0.7127 C) 0.3564 D) 0.6436
Q 67
Consider the expected returns (in percent)from the two investment options.Beth claims that the variances of the returns for the two investments differ.Use the following data to arrive at the results. Test Beth's claim at the 5% significance level.Which of the following is the correct conclusion? A) p-value = 0.7127 >α = 0.05;Beth's claim is correct. B) p-value = 0.7127 >α = 0.05;Beth's claim is wrong. C) p-value = 0.7127 <α = 0.05;Beth's claim is wrong. D) p-value = 0.7127 <α = 0.05;Beth's claim is correct.
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