Multiple Choice
There are a number of ways to state the alternative hypothesis. Select which applies:
A) The population mean of the bird-watching intervention will be significantly different from the population mean of the non-bird-watching control group
B) The sample mean of the bird-watching intervention will be significantly different from the sample mean of the non-bird-watching control group
C) The population mean of the bird-watching intervention will be greater than the population mean of the non-bird-watching control group
D) a and c
Correct Answer:
Verified
Correct Answer:
Verified
Q7: Null and alternative hypotheses refer to differences
Q8: The significance level or alpha should be
Q9: To increase power:<br>A) Alpha can be increased
Q10: Within-group variability decreases the statistical power of
Q11: An increased sample size will increase variability
Q13: It is more difficult to reject the
Q14: To interpret fully an inferential statistic, it
Q15: When calculating power, how does a researcher
Q16: If the calculated value of an F
Q17: Can the null hypothesis be accepted?