Variance and Standard Deviation

What does this symbol represent?

• Mean
• Median
• Mode 
• Standard Deviation

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What does this symbol represent?

• Standard Deviation
• Variance
• Mean Absolute Deviation
• Sigma

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

CCSS.6.SP.B.5

What is the population 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.3

CCSS.HSS.ID.A.4

What is the population 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.3

What does this symbol represent?

• Variance
• Standard Deviation
• Mean Absolute Deviation
• Sigma

Mrs. Carmendy's class had an average score of an 89. She forgot to add in a student who got a 10% on the test. How will this affect the class average?

• Increase
• Decrease
• Stay the same

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.3

Mrs. Carmendy's class had a range of test grades from 78 to 102. She forgot to add in a student who got a 10% on the test. How will this affect the range?

• increase
• decrease
• stay the same

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

• 6.89
• 10.1
• 7.26
• 9

What is the sample 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.4