A medical researcher wishes to see whether the variance of the heart rates (in beats per minute) of smokers is different from the variance of heart rates of people who do not smoke.  Below is the data from two samples.  Using α = 0.05, is there enough evidence to support the claim? Smokers Non-Smokers n1 = 26 n2= 18 s12 = 32 s22 = 10

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Q: A sample of n = 4 scores has a variance of s2 = 64. What is the estimated standard error for the…

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Q: = 8 and

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