Mean Median Standard Deviation and Variance

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

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

• 2
• 16
• 4

Students were asked how many hours a night they sleep. The responses were...

10, 8, 7.5, 6, 5, 5.5, 6.5, 9

Find the standard deviation.

• 7.1875

• 1.64

• 57.5

• 3

What is the standard deviation for the data given:
{12, 13, 29, 18, 61, 35, 21}

• 293.67
• 15.87
• 17.14
• 41.98

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

• 193
• 127
• 60
• 66

The number of miles that Kiki cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Kiki cycled?

• 24
• 36
• 39
• 52

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

Median has

• equal number of items on both sides after arranging from big to small

• equal number of items on both sides, in any order.

• unequal number of items on both sides after arranging from small to big.

• equal number of items on both sides after arranging from small to big.

At Donald's Donuts the number of donut holes in a bag can vary. Which number is not the mode.
12, 10, 10, 13, 12, 11, 13, 10, 12, 13

• 13
• 10
• 11
• 12

What is incorrect about the following histogram?

• The intervals are too small
• The intervals overlap
• The graph does not start at 0
• The axes are not labeled.