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The Sample Standard Deviation of the Monthly Sales (In Thousands

Question 59

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The sample standard deviation of the monthly sales (in thousands of dollars)of a telecommunications firm in U.S.for two years,2010 and 2011,is computed as 6.7.Assuming that the sales data are drawn from a normally distributed population,conduct the following hypothesis tests for the population variance.Use the critical value approach at α = 0.05.
A) The sample standard deviation of the monthly sales (in thousands of dollars)of a telecommunications firm in U.S.for two years,2010 and 2011,is computed as 6.7.Assuming that the sales data are drawn from a normally distributed population,conduct the following hypothesis tests for the population variance.Use the critical value approach at α = 0.05. A) b. b. The sample standard deviation of the monthly sales (in thousands of dollars)of a telecommunications firm in U.S.for two years,2010 and 2011,is computed as 6.7.Assuming that the sales data are drawn from a normally distributed population,conduct the following hypothesis tests for the population variance.Use the critical value approach at α = 0.05. A) b.

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a.Reject the null hy...

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