A. If n = 49 , µ = 20%, M = 14%, and s = 21%, What is the critical t-stat? Use alpha = 0.01, two-tailed. B. If n = 49 , µ = 20%, M = 14%, and s = 21%, What is the 95% CI for how much the participants over-estimate the length? That is, what is the 95% range around the mean estimate of M = 14%? Group of answer choices M = 14%, 95% CI [8.12%, 19.9%] M = 14%, 95% CI [7.94%, 20.06%] M = 14%, 95% CI [11.98%, 16.02%] M = 14%, 95% CI [8.95%, 19.05%]

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A.

If  n = 49 , µ = 20%, M = 14%, and s = 21%,

What is the critical t-stat? Use alpha = 0.01, two-tailed.

 

B.

If  n = 49 , µ = 20%, M = 14%, and s = 21%,

What is the 95% CI for how much the participants over-estimate the length? That is, what is the 95% range around the mean estimate of M = 14%?

Group of answer choices
M = 14%, 95% CI [8.12%, 19.9%]
M = 14%, 95% CI [7.94%, 20.06%]
M = 14%, 95% CI [11.98%, 16.02%]
M = 14%, 95% CI [8.95%, 19.05%]
 
 
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