1. Construct a frequency distribution table containing SEVEN Class intervals and their corresponding frequencies for the following scores made on a 60-item test, including the class boundaries, class marks, relative frequency, and cumulative frequencies {F). 49 38 11 37 50 38 27 31 26 21 36 30 36 17 40 25 20 45 19 24 35 30 24 18 13 35 49 44 29 33 26 31 33 38 22 35 11 45 29 32 17 21 14 39 31 40 46 23 41 37 26 50 17 23 20 37 14 23 27 2 1 2. The daily earnings of a group of employees are shown below. Daily Earnings Number 200-399 11 400-599 21 600-799 75 800-999 39 1000-1199 24 1200-1399 150 a. finds the mean, median, and mode b. Find , , and 3. Referring to the problem number 2, calculate the following: a. variance b. Standard Deviation c. Skewness d. kurtosis