A researcher administers a treatment to a sample of participants selected from a population with = ...

A researcher administers a treatment to a sample of participants selected from a population with = 80 . If the researcher obtains a sample mean of M = 88, which combination of factors is most likely to result in rejecting the null hypothesis?

a. = 5 and = .01 c. = 10 and = .01
b. = 5 and = .05 d. = 10 and = .05

Question 2

A researcher administers a treatment to a sample of participants selected from a population with = 80 . If a hypothesis test is used to evaluate the effect of the treatment, which combination of factors is most likely to result in rejecting the null hypothesis?

a. A sample mean near 80 with = .05
b. A sample mean near 80 with = .01
c. A sample mean much different than 80 with = .05
d. A sample mean much different than 80 with = .01

Question 3

A researcher administers a treatment to a sample of participants selected from a population with = 80 . If a hypothesis test is used to evaluate the effect of the treatment, which combination of factors is most likely to result in rejecting the null hypothesis?

a. A sample mean near 80 for a small sample
b. A sample mean near 80 for a large sample
c. A sample mean much different than 80 for a small sample
d. A sample mean much different than 80 for a large sample

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A researcher administers a treatment to a sample of participants selected from a population with = ...

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