Mean, Median, Range, Variance, MAD, & Standard Deviation

What does this symbol represent?

• Standard Deviation
• Variance
• Mean Absolute Deviation
• Sigma

If the standard deviation of a data set is 10, what is the variance?

• 20

• 100

• 2.5

• 10

What is the Mean Absolute Deviation(MAD) for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.9

• 102.01

• 5.7

• 47.5

Tags

CCSS.6.SP.B.5C

Find the Mean Absolute Deviation:  10, 9, 3, 8, 10.  

• 3
• 5
• 1
• 2

Tags

CCSS.6.SP.B.5C

What is the variance for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 47.5

• 102

• 52.8

• 81

What is the standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.9

• 10.1

• 7.3

• 9

Before you can begin calculating the variance, you must first:

• find the mean

• find the median

• find the mode

• find the range

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.B.5C

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.B.5C

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