1. This week you learned about Confidence Intervals and building a histogram to display the variability of the data. Answer the below for the data set "Ages of Puberty for Boys".

Ages of Puberty for Boys (Years)

12

11

15

14

13

12

11

14

17

15

10

9

12

13

14

10

11

12

15

14

1. What is the sample size? n = ______
2. What is the mean for this data set? Mean = _______
3. What is the sample standard deviation? SD = ________
4. After you run the confidence interval, the results suggests that the interval estimate for the ages of puberty is between _____ years and _____ years.