Standard Deviation + review

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

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

• 511.33

• 22.61

• 438.48

• 20.94

In a population of five university students with GPAs of 2.5, 2.3, 1.7, 1.4, and 1.1, a sample of five students are considered. What would be the standard deviation of the resulting sampling distribution?

• 0.59

• 0.41

• 0.35

• 0.22

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

assume total population

• 293.67
• 15.87
• 17.14
• 41.98

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

• 2
• 16
• 4

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

• 8
• 7.5
• 7.5
• 10

Tags

CCSS.6.SP.B.5C

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

assume total population

• 47.49

• 102.01
• 52.77
• 81

Find the median of these numbers:
4, 2, 7, 4, 3

• 2
• 5
• 7
• 4

Tags

CCSS.6.SP.B.5C

Four data sets are shown below.
Set 1: {10, 19, 38, 50, 51}
Set 2: {5, 21, 26, 39, 51}
Set 3: {9, 38, 50, 50, 51}
Set 4: {5, 28, 28, 28, 51}
Which data set has the largest standard deviation?

• Set 1
• Set 2
• Set 3
• Set 4

What is the variance for the data given:

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

assume total population

• 6.89

• 10.1

• 47.49

• 91.7