Data Outliers

A value that is much higher or much lower than the other values in a set of data.

• Outlier
• Box Plot
• Range
• Histogram

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.B.4

When using IQR to find outliers, which formula will identify the upper limit?

• Q3 - 1.5(IQR)

• Q1 + 1.5(IQR)

• Q1 - 1.5(IQR)

• Q3 + 1.5(IQR)

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

When using IQR to find outliers, which formula will identify the lower limit?

• Q3 - 1.5(IQR)

• Q1 + 1.5(IQR)

• Q1 - 1.5(IQR)

• Q3 + 1.5(IQR)

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.B.4

Which of the following best describes the process of finding the interquartile range for a set of data?

• Add the biggest and smallest numbers.
• Place the numbers in order from least to greatest and find the middle.
• Find the difference between the maximum and the minimum.
• Subtract Q1 from Q3.

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Identify the outlier for the given data?

23, 34, 27, 12, 30, 26, 28, 31, 34

• 12

• 23

• 34

• None

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

Find the outlier of the data set.

15, 20, 18, 35, 17, 35, 13

• None

• 35

• 13

• 15

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Using the information below, identify which of the following is an outlier:
Q1 = 3
Q2 = 7
Q3 = 12

• 22
• 25.5
• -8.5
• 26

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

Using the information below, identify which of the following is NOT an outlier:

Q1 = 53

Q2 = 55

Q3 = 61

• 73
• 40
• 80
• 73.5

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

A data set contains only one outlier. Which statistical measure will most likely remain the same if the outlier is removed?

• Mean
• Mode
• Range
• Standard deviation

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Given the following data set
6, 9, 12, 14, 7, 9, 6, 8, 25, 12, 14
What is the mean of the data set without the outlier(s)?

• 9.2
• 9.7
• 11.1
• 12.4

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5