1 answer

(20.18) You are testing H0: μ = 100 against Ha: μ < 100 based on an...

Question:

(20.18) You are testing H0: μ = 100 against Ha: μ < 100 based on an SRS of 21 observations from a Normal population. The data

(20.18) You are testing H0: μ = 100 against Ha: μ < 100 based on an SRS of 21 observations from a Normal population. The data give z-9.1 and s = 3.6 The value of the t statistic (±0.01) is

Answers

Solution :

Test statistic = t

= (\bar x - \mu ) / s / \sqrt n

= (9.1 - 100) / 3.6 / \sqrt 21

= -115.71

t = -115.71

.

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