09) HS: Measures of Dispersion

What does this symbol represent?

• Population Standard Deviation

• Population Variance

• Sample Standard Deviation

• Sigma

Which of the following is NOT a measure of dispersement?

• range
• variance
• median
• standard deviation

Tags

CCSS.HSS.ID.A.2

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

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.NS.C.7

If the data is skewed to the right, which measure of central tendency would best to describe the data?

• mean
• median
• mode
• variance

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

What does variance represent?

• How many different variations are in the data set.

• How the population varies compared to the sample.

• How spread out each data value is from the mean.

• The range, but with a bunch of other stuff going on.

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

The standard deviation describes the spread about which of the following?

• median

• mode

• mean

• range

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

CCSS.HSS.ID.A.4

What does this symbol represent?

• Population Variance

• Population Standard Deviation

• Sample Standard Deviation

• Sample Variance

Tags

CCSS.HSS.IC.A.1

If the variance of a data set is 30.25, what is the standard deviation?

• 5.5
• 15.125
• 60.5
• 915.0625

Given a standard deviation of 9, what is the variance?

• 81

• 3

• 18

• 4.5

Order the dot plots from least to greatest standard deviation.

• A, D, C, B

• B, C, D, A

• A, D, B, C

• B, C, A, D

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

CCSS.HSS.ID.A.1