Question Help Suppose a \"Mu trd Oaltes as having moderate risk ne standad devat

Question

Question Help Suppose a "Mu trd Oaltes as having moderate risk ne standad devation of its monty ,ate ofretm is less than J%Amna und tatng agency randon selects 27 months and delermines the rate of return for a certain fund. The standand deviation of the rate of return is computed to be 1 99% Is there sufficient evidence to conclude that the fund has moderate tisk at the 010 level of significance? A normal probalbility plot indicates that the monthily rates of retum ane What are the coet hypotheses for this test? Caloulate the value of the test statistic -11440 (Round to three decimal places as needed Use technology to delermine the P-value for the test staistc The Pvalue is Round to three decimal places as reeded)

Explanation / Answer

As this is a left tailed test, and

df = n - 1 = 27 - 1 = 26

Then the left tailed P value, using technology is

P = 0.006087886 = 0.0061 [ANSWER]

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As P < 0.10, then there is significant evidence that the true standard deviation is less than 0.03. [CONCLUSION]

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