A researcher in the field of women's studies wondered if women recall emotional events better than men. She decides to gather some data on the matter. An experiment is conducted in which 10 mean and 10 women were randomly selected and shown 20 highly emotional photographs and then asked to recall them 1 week after the showing. The following recall data are obtained. Scores are indicated as percent correctly recalled. Using a =0.05 1tail answer the questions below.