A Researcher Is Studying Cancer Mortality Rates for Men in Five

Multiple Choice

A researcher is studying cancer mortality rates for men in five southern states.In the five states,the sample standard deviation is 6.76 (per 100,000) .A 98 percent confidence interval estimate of the population variance is represented by:

A) 5(6.76) / 13.277 and 5(6.76) / 0.297.
B) 5(6.76²) / 13.277 and 5(6.76²) / 0.297.
C) 4(6.76) / 13.277 and 4(6.76) / 0.297.
D) 4(6.76²) / 13.277 and 4(6.76²) / 0.297.
E) 4(6.76²) / 0.297 and 4(6.76²) / 13.277.