Arithmetic Mean, Variance, and Standard Deviation

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

• 8
• 7.5
• 7.5
• 10

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

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

• 44 cm
• 43 cm
• 42.76 cm
• 42.76

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

The number of goals scored by seven forwards in one soccer season were 8, 6, 4, 8, 3, 1, and 5. Find the mean number of goals scored by the seven forward

• 20
• 10
• 3
• 5

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.NS.B.3

CCSS.6.NS.B.2

The masses of six children are 34.5 kilograms, 42.6 kilograms, 39.8 kilograms, 40.1 kilograms, 53.4 kilograms, and 33.8 kilograms. Find the mean mass.

• 40.7 kg
• 40
• 41
• 50

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.NS.B.3

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

• 5
• 6
• 8
• 4

Tags

CCSS.6.SP.B.5C

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

• 45
• 40
• 38
• 35

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the standard deviation for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.89
• 10.1
• 7.26
• 9

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.4

What is the variance for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 47.47
• 102.01
• 52.77
• 81

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

Which of the following is a measure of variability?

• mean
• median
• mode
• standard deviation

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

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

• 2
• 16
• 4

Tags

CCSS.6.SP.A.3