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Mathematics, 07.03.2020 03:39 AimanKhan123

As part of a study of the development of the thymus gland, researchers weighed the glands of five chick embryos after 14 days of incubation. The thymus weights (mg) were as follows:

41.5, 39.2, 41.2, 42.3, 41.3.

Assume that thymus gland weight of chick embryos follow normal distribution. If you were to construct a 95 percent confidence interval for the mean thymus gland weight, it would take the form:

(sample mean) +/- t. quantile * (standard error of sample mean)

What is the correct value of t. quantile for a 95 percent confidence interval in this study?

A. 2.1319

B. 2.7764

C. 2.5706

D. 1.96

E. 2.0150

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