MAD in fun

What is the total frequency of the given set of data?

• 27

• 28

• 29

• 30

What is the sum of the products of each class mark and its corresponding frequency?

• 943

• 1375

• 1950

• 2035

What is the mean of the given set of data?

• 52.78

• 67.83

• 76.82

• 249.63

What is the absolute difference of the fourth class mark from the mean?

• 1.32

• 3.83

• 6.35

• 8.76

What is the product of the eight absolute deviation and its corresponding class frequency?

• 14.80

• 16.17

• 18.90

• 21.35

What is the sum of the products of the absolute deviations and its corresponding frequency? 

• 315.42

• 315.43

• 317.33

• 317.34

What is the mean absolute deviation of the given set of data? 

• 6.38

• 8.45

• 10.58

• 12.76