Measures of Variation (2.4)

This is used to describe the distribution of the data

• outlier

• range

• measures of variation

• quartile

Tags

CCSS.6.SP.A.3

Which club has the smaller spread?

• Cruisers

• Car Hops

Tags

CCSS.7.SP.B.4

When calculating the range of a data set, I need to

• subtract minimum - maximum

• subtract maximum - minimum

• subtract Q₁ - Q₃

• subtract Q₃ - Q₁

• use the 1.5 ( IQR ) rule

Tags

CCSS.6.SP.B.5C

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.7.NS.A.1C

Find the range.
12, 5, 9, 18, 22, 25, 5

• 20
• 15
• 22
• 18

Tags

CCSS.4.MD.B.4

What is an advantage of using the range as a measure of​ variation?

• It uses only two entries from the data set.

• It uses all entries from the data set.

• It is easy to compute.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What is a disadvantage of using the range as a measure of​ variation?

• It is hard to compute.

• It uses all entries from the data set.

• It uses only two entries from the data set.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What does the value N​ mean?

• The mean of the population data.

• The difference between all the values in the population data set.

• The number of values in the population data set.

• The range of the population data.

 Find the sample standard deviation.
2  6  15  9  11  22  

• 49.37

• 7.03

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the standard deviation for the data set given below? Data comes from a population.
{ 5, 10, 7, 12, 0, 20, 15, 22, 8, 2 }

• 6.89
• 10.1
• 7.26
• 9

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2