Algebra-Standard Deviation

What is the variance of the data set?

• 72
• 21.4
• 457.96
• 395.7

• Set 3, Set 1, Set 2
• Set 3, Set 2, Set 1
• Set 2, Set 3, Set 1
• Set 1, Set 3, Set 2

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

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

• (3,4)
• (2,-2)
• (1,5)
• (-1,6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• 2n-7
• 2n-6
• n-7
• n-6

• -6
• -3
• 0
• 6

Tags

CCSS.HSF-IF.C.7C

What does this symbol represent?

• Mean
• Median
• Mode 
• Standard Deviation

What does this symbol represent?

• Variance
• Standard Deviation
• Mean Absolute Deviation
• Sigma

What does this symbol represent?

• Standard Deviation
• Variance
• Mean Absolute Deviation
• Sigma