Measures of Variation

This is used to describe the distribution of the data

• outlier

• range

• measures of variation

• quartile

Tags

CCSS.6.SP.A.3

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

• subtract:

  least number - greatest number

• subtract:

  greatest number - least number

• subtract:

  Q₁ - Q₃

• subtract:

  Q₃ - Q₁

Tags

CCSS.6.SP.B.5C

Roger bowled 5 games last weekend. His scores are: 165, 138, 172, 127, 193. What is the range of Roger's scores?

• 193

• 127

• 60

• 66

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Which of the following are measures of variation?

• mean, median, mode

• range, Q1, Q3, and interquartile range (IQR)

• volume

• area

Tags

CCSS.6.SP.A.3

Which measure of variation is the difference between the first quartile and the third quartile (Q3 - Q1)?

• mean

• range

• interquartile range (IQR)

• median

Tags

CCSS.6.SP.A.3

What is this called: The median of the first half of the data

• quartile 1 $Q_1$

• quartile 2 $Q_2$

• quartile 3 $Q_3$

• mean

Tags

CCSS.6.SP.B.5C

What is this called: The median of the second half of the data

• first quartile $Q_1$

• second quartile $Q_2$

• third quartile $Q_3$

• mean

Tags

CCSS.6.SP.B.5C

Find the range of this data

(hint: order this data on paper from least to greatest -- you will see it again in some more questions!)

Hours Sixth Graders Spent Playing Video Games This Week:

0, 10, 4, 20, 2, 11

• 4

• 11

• 10

• 20

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Find the first quartile (Q1) of this data.

 (hint: this is the same data as the previous question)

Hours Sixth Graders Spent Playing Video Games This Week:

0, 10, 4, 20, 2, 11

• 0

• 2

• 11

• 20

Tags

CCSS.6.SP.B.5C

Find the third quartile (Q3) of this data.

(hint: this is the same data as the previous question)

Hours Sixth Graders Spent Playing Video Games This Week:

0, 10, 4, 20, 2, 11

• 20

• 2

• 11

• 0

Tags

CCSS.6.SP.B.5C