Question
1.2
Which of the following are subjectively set by the researcher in the planning stage of a study when determining sample size? Select all that apply.
wg8JNehuALfILP6Sa. Level of significance
wg8JNehuALfILP6Sb. Size of the effect for which she would like to detect significance
3hMJDRP6OS+3EJIbc. The sample mean and sample standard deviation
wg8JNehuALfILP6Sd. Power (probability that she would like to have of rejecting an incorrect null hypothesis)
Incorrect. Significance level, effect size and power are all specified by the researcher in order to determine sample size.
Correct. Significance level, effect size and power are all specified by the researcher in order to determine sample size.
Incorrect. Try again.
2
Question
1.3
HntiGMywWB1FAuMRrLrQAo7lbhnL017kztcQy1lJWyhfN+Jb7EHTr/knoIcXPq7Jcvy62FvXxb/iYnMNYUo0P/oXkuXyMXE45oSt5OKHUwEB1WYQU60PDa/oVpdyo+tyFfYlTNWNXVeSk8k31HHpDI1THKNQnAkx/kwZWL4jY8JYFLDQQsNuQh73+ys752DCFXuCK0Vc5ilh/AKl/1C6S+dFbrETpbPNHWmmOHNhyS6GATOtKunacLOxnX9YUMwCVba8IYdVE16A4Q5yy5QzJI0jDSzHR7ooDkPrOYVMr82GPnDYbaRA4pFpfFSy5Dw2WI69jT0AEWmuvpx3M71z4UxdvvBmJb4RQM/2vB3LUMHbUjuEEXx6o02QOOPCKV2ofVJIpFSh2s/qiU0CBuf3hA==
Incorrect. Power is the probability of doing what we usually want to do when performing a test of significance. We want to reject H0 when it is incorrect. So, power is the probability of rejecting H0 when it is incorrect.
Correct. Power is the probability of doing what we usually want to do when performing a test of significance. We want to reject H0 when it is incorrect. So, power is the probability of rejecting H0 when it is incorrect.
Incorrect. Try again.
2