# Question: Diagram the answer to Exercise 15 13 a What is the a

Diagram the answer to Exercise 15.13.

(a) What is the a priori power of this experiment?

(b) Run the t test on the data.

(c) What, if anything, does the answer to (a) have to say about the answer to (b)?

(a) What is the a priori power of this experiment?

(b) Run the t test on the data.

(c) What, if anything, does the answer to (a) have to say about the answer to (b)?

## Relevant Questions

Make up a simple two-group example to demonstrate that for a total of 30 subjects, power increases as the sample sizes become more nearly equal. If σ = 15, n = 25, and we are testing H0: µ = 100 versus H1: µ > 100, what value of the mean under H1 would result in power being equal to the probability of a Type II error? This is most easily solved by sketching the ...Diagram the situation described in Exercise 15.6 along the lines of Figure 15.2. For the data in Appendix D, form three groups. In Exercise 16.13. (These data are available at www.uvm.edu/~dhowell/fundamentals8/DataFiles/Add.dat.) Group 1 has ADDSC scores of 40 or below, Group 2 has ADDSC scores between ...Use the Fisher LSD test to compare active smokers with nonsmokers and to compare the two groups of smokers on the data in Exercise 16.21. What do these data suggest about the advisability of smoking while you are studying ...Post your question