In this example, μg is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the type 1 seed yield minus the type 2 seed yield.
56
2.) What does the confidence interval suggest about farmer Joe's claim that type 1 seed is better than type 2 seed?
A. Because the confidence interval only includes positive values and does not includes positive values and does not include zero, there is sufficient evidence to support farmer Joe's claim.
B. Because the confidence interval includes zero, there is sufficient evidence to support farmer Joe's claim.
C. Because the confidence interval only includes positive values and does not include positive values and does not include zero, there is not sufficient evidence to support farmer Joe's claim.
D. Because the confidence interval includes zero, there is not sufficient evidence to support farmer Joe's claim.
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