A researcher wants to test the engagement of young students in two different types of lessons. A class of 40 students were given traditional lectures for a week, and a class of 35 students were given performance lectures where the teacher acted out parts of the lecture. The researchers want totest whether the performance lectures yield ahigher mean number of student questions than the traditional lecture. The traditional lecture group had a mean count of35 questions with a standard deviation of 12 questions. The performance lecture group had a mean count of42 questions with a standard deviation of 10 questions. Test the hypothesis above at an alpha level at =.05 and report results using APA format.

a. State the Hypotheses in words and symbols.

b. Find the CV of t, draw the curve showing the direction predicted.

c. Calculate SS for each group (use formula with SD and df), the pooled variance, SEM, and t-value.

d. Conclude the stats reported at the end.