Standard Deviation Practice

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 standard deviation for the data given:

{12, 13, 29, 18, 61, 35, 21}

• 293.67

• 15.87

• 17.14

• 41.98

Tags

CCSS.HSS.ID.A.2

The data sets show the test scores of a group for the last two tests.

Test 1: {75, 75, 85, 80, 65, 70, 65} Test 2: {95, 85, 85, 90, 90, 95, 100}

Which data set had the SMALLER standard deviation?

• Test 1 with a standard deviation of 6.9

• Test 2 with a standard deviation of 6.9

• Test 1 with a standard deviation of 5.2

• Test 2 with a standard deviation of 5.2

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

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

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

What does this symbol represent?

• Standard Deviation
• Variance
• Mean Absolute Deviation
• Sigma

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.4

All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?

• 1
• 2
• 3
• 4

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

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

• 2
• 16
• 4

Tags

CCSS.6.SP.A.3

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

• 0.53

• 0.41

• 0.35

• 0.22

Tags

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.HSS.ID.A.2

CCSS.HSS.ID.A.3

What is the variance of the sample data set?

• 72

• 21.4

• 533.67

• 395.7

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3