Arithmetic Mean, Variance, and Standard Deviation

Front

Find the mean of the given data: 8, 7, 5, 9, 6, 13

Back

8

Front

Find the mean of the given data: 21.5 cm, 63.7 cm, 18.9 cm, 34.1 cm, 75.6 cm

Back

42.76 cm

Front

Mean number of goals scored by seven forwards: 8, 6, 4, 8, 3, 1, 5

Back

5

Front

Mean mass of children with masses 34.5 kg, 42.6 kg, 39.8 kg, 40.1 kg, 53.4 kg, and 33.8 kg.

Back

40.7 kg

Front

Find the mean of 3, 7, 9, 9, 12.

Back

8

Front

Find the mean of the following numbers: 40, 38, 46, 38, 51, and 57.

Back

45

Front

Standard deviation for the data: 5, 10, 7, 12, 0, 20, 15, 22, 8, 2

Back

7.26

Front

Variance for the data: 5, 10, 7, 12, 0, 20, 15, 22, 8, 2

Back

52.77

Front

Which of the following is a measure of variability? Options: mean, median, mode, standard deviation

Back

standard deviation

Front

If the standard deviation of a data set is 4, what is the variance?

Back

16