sample has a mean of M = 39.5 and a standard deviation of s = 4.3, and produces a t statistic of t = 2.14. For a two-tailed hypothesis test, what is the correct statistical decision for this sample?   a. The researcher can reject the null hypothesis with α = .05. b. The researcher can reject the null hypothesis with either α = .05 or α = .01. c. The researcher must fail to reject the null hypothesis with either α = .05 or α = .01. d. It is impossible to make a decision about Ho without more information.

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A sample has a mean of M = 39.5 and a standard deviation of s = 4.3, and produces a t statistic of t = 2.14. For a two-tailed hypothesis test, what is the correct statistical decision for this sample?

 

a. The researcher can reject the null hypothesis with α = .05.

b. The researcher can reject the null hypothesis with either α = .05 or α = .01.

c. The researcher must fail to reject the null hypothesis with either α = .05 or α = .01.

d. It is impossible to make a decision about Ho without more information.

 

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