GROUP DATA SET 3. A researcher conducted a survey from a different company in Metro Manila. Data from randomly selected employee was tabulated on a frequency distribution table below. Compute the Range, Mean, Variance and Standard Deviation. Salary FREQUENCY 12,000 10 14,500 14 17,000 16 19,000 22 23,000 10 25,500 9 28,000 7 31,500 4 37,500 5 42,500 3 4. A Professor prepared a frequency distribution table on the result of a quiz given on 50 students as shown below. Compute the Range, Mean, Variance and Standard Deviation for the give data set. Scores 44-49 2 50-55 4 56-61 6 62-67 10 68-73 10 74-79 7 80-85 6 86-91 5