Need help with 4 & 6

Section 2-1 Ages of Presidents at Inauguration 1. The data were obtained from the population of all Presidents at the time this text was written. 2. The oldest inauguration age was 69 years old. 3. The youngest inauguration age was 42 years old. 4. Answers will vary. One possible answer is Age at inauguration Frequency 42 45 46 49 50-53 54 57 NAUDDIN 58 61 62-65 66-69 5. Answers will vary. For the frequency distribution given in Question 4, there is a peak for the 54-57 bin. 6. Answers will vary. This frequency distribution shows no outliers. However, if we had split our frequency into 14 bins instead of 7, then the ages 42, 43, 68, and 69 might appear as outliers. 7. Answers will vary. The data appear to be unimodal and fairly symmetric, centering on 55 years of age