Identify Outlier and Way to Removing

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

• 1.5(IQR)

• Q1 + 1.5(IQR)

• Q1 - 1.5(IQR)

• Q3 + 1.5(IQR)

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

• Outlier

• Box Plot

• Range

• Histogram

Which value(s) are outlier(s) for the age of male Oscar winners?

• 80

• 76

• 60

• 29

If $88,000 was found to be an outlier, which salary would be the new maximum?

• $55,000

• $28,000

• $88,000

• $72,000

Any outliers in the dot plot?

• Yes, 14

• Yes, 9, 10 and 14

• No

• No, 0 because top-winning countries shouldn't have 0 medals

What is the outlier in the following data?

11, 19, 17, 8, 37, 11, 19, 16, 22

• 22

• 8

• 37

• 22

An OUTLIER in a set of data is a number that is far away from the rest of the numbers.

Identify the OUTLIER in this data set.

5, 8, 10, 11, 15, 53

• 5

• 53

• 0

• 15

Identify the outlier of the data.

• 9

• 6

• 8

• 2

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

• Outlier

• Mean

• Median

• Mode

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