question archive The F-statistic for equality of standard deviations based on samples of sizes n1=21 and n2=16 takes the value F=2

The F-statistic for equality of standard deviations based on samples of sizes n1=21 and n2=16 takes the value F=2

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The F-statistic for equality of standard deviations based on samples of sizes n1=21 and n2=16 takes the value F=2.78.

a) Is this significant evidence of unequal population standard deviations at the 5% level? At the 1% level?

b) Between which two values obtained from table-F does the P-value of the test fall?

 

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