Question

3. You wish to see how kids reading performance changes from grade 3 to grade 4. In a sample of 45 kids who took the same reading test at the beginning of each grade the mean difference in scores was 23 with a standard deviation of 59.

a) At the .01 level did the kids performance change? (p = .012)

b) Interpret the p-value

4. A group of 98 people who just watched "A Christmas Carol" had 68 give to the Salvation Army donation bell ringer who was positioned right outside the theater. A second group of 78 people who had just watched "Halloween Part 15" had 30 give to the Salvation Army ringer.

a) At the .01 level was there a difference in the % of people who had watched the varying movies in terms of giving? ( p = 0)

b) Answer a) with a yes or no response based on a)?

Answer 1