Measures of Central Tendency

Bernabie is hosting a kiddie party in his house. Seven kids aged 11 and 8 babies aged 1 – 3 attended the party. Which measure of central tendency is appropriate to use to find the average age?

• Mean     

• Mode

• Median

• Range

For the set of data consisting of 12, 12, 13, 14, 14, which statement is true?

• mean = mode

• mean = median

• median = mode

• mean < median

What is the median of the sample 5, 5, 11, 9, 8, 5, 8?

• 5

• 6

• 8

• 9

What is the mean of 73, 63, 71, 69, 70 and 68?

• 18

• 47

• 69

• 98

A = {43, 11, 94, 46, 43, 74} B = {4, 2, 9, 7, 5, 9, 3}

Find the mean value of set A.

• 44.5

• 46

• 51.83

• 74

A = {43, 11, 94, 46, 43, 74} B = {4, 2, 9, 7, 5, 9, 3}

What is the median of the values in set A?

• 43

• 44.5

• 46.5

• 60

A = {43, 11, 94, 46, 43, 74} What is the mode of set A data?

• 11

• 43

• 46

• 94

B = {4, 2, 9, 7, 5, 9, 3} What is the median of the values in set B?

• 4

• 5

• 6

• 7

B = {4, 2, 9, 7, 5, 9, 3} What is the mode of set B data?

• 3

• 4

• 5

• 9

Angel got the following scores in the fourth quarter quizzes: 12, 10, 16, x, 13, and 9. What must be her score on the 4th quiz to get an average of 12?

• 12

• 13

• 15

• 16