This is all the information that was provided by my professor.

4. A researcher wants to determine if a new teaching method will result in better learning of math concepts. The study also tested for any possible effects of sex (females and males) on learning. The data shown below are the math test scores for each group.

(a) What is the experimental design?

(b) What statistical procedure is appropriate? Why?

(c) Perform the analysis using the information below. What conclusions can you make?

SHOW ALL WORK (hypotheses, decision rules, summary table, etc.). Draw a graph to show the results and to help with your conclusions.

____Teaching Method____

Old New

2 5

Females 1 5

2 6

2 6

--------------------------------------

1 6

Males 1 6

1 5

2 4

SSTOTAL= 65.94 SSTeaching= 60.07 SSSex= 0.57

SSTxS= 0.05 SSError= 5.25