1. Approximate the mean, variance, standard deviation, and mode class given in the following frequency distribution. Class Frequency 0 - 4 18 5 - 9 13 10 - 14 17 15 - 19 8 20 - 24 17

2. Use the following data set to answer the questions given below. Data set: 1, 1, 2, 3, 3, 4, 5, 6, 8, 8, 8, 9, 10, 12, 14. (a) Find the 43rd percentile. (b) Find the 75th percentile. (c) Find the percentile of value 8. (d) Find the percentile of value 10.

Can you please show me all the work, thanks!