Multiple Choice
A researcher expects a treatment to produce an increase in the population mean.The treatment is evaluated using a one tailed hypothesis test, and the test produces z = +1.85.Based on this result, what is the correct statistical decision?
A) The researcher should reject the null hypothesis with α = .05 but not with α = .01.
B) The researcher should reject the null hypothesis with either α = .05 or α = .01.
C) The researcher should fail to reject H0 with either α = .05 or α = .01.
D) cannot answer without additional information
Correct Answer:
Verified
Correct Answer:
Verified
Q9: A Type I error occurs when a
Q14: There is always a possibility that the
Q31: A research report includes the statement,z =
Q46: If the power for a hypothesis test
Q60: By selecting a larger alpha level, a
Q62: Which of the following is directly addressed
Q63: Which of the following accurately describes a
Q64: What is measured by the denominator of
Q65: If a treatment has a very small
Q67: If α is held constant at .05,