Measures of Center and Variability

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

Tags

CCSS.7.NS.A.3

Find the mode:
5, 0, 9, 9, 3, 0, 5, 5, 4

• 9
• 5
• 3
• 7

Tags

CCSS.6.SP.B.5C

The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?

• The mean will decrease
• The median will decrease
• The mean will increase
• The median will increase

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34

• 7
• 23
• 31
• 34

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What measure of center is best to use when we have outliers?

• mean

• median

• mode

• range

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Which measure of center best represents this set of data?
12, 13, 11, 16, 31, 14, 10, 15

• Mean
• median
• mode

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What is the maximum value?

• 58
• 66
• 64
• 60

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

Tags

CCSS.6.SP.B.5C

What is the range?

• 10

• 12

• 15

• 2 - 12

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

The interquartile range (IQR) of a data set is the difference between the third and first quartiles. It represents the range of the middle half of the data.

• True
• False

Tags

CCSS.6.SP.B.5C