Central Tendency and Outlier

By how much will the mean vary if the outlier is included?

88, 78, 90, 82, 46, 95, 77

• 5.6

• 6.1

• 85

• 79.4

By how much will the mean vary if the outlier is included?

75, 65, 77, 69, 34, 82, 64

• 5.4

• 72

• 66.6

• 5.9

By how much will the mean weights vary if the outlier is included?

84, 74, 86, 78, 40, 91, 73

• 6.4

• 75.1

• 5.9

• 81

Gary has taken an aptitude test 8 times and his scores are 96, 98, 98, 105, 36, 87, 95, and 93. Which measure of central tendency is most appropriate for his scores?

• Median

• Mode

• Mean

• Range

What is the outlier in the data set?

• 112

• 211

• 114

• 141

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

When analyzing numerical data, the best measure of center with an outlier is:

• mean

• median

• mode

• range

Which measure of central tendency is MOST EASILY affected by outliers?

• mean

• median

• mode

• IQR

Select all that apply to this data set.

• The outlier is 0

• The mode is 4

• The median is 4

• The mean is 3

If there is an outlier in your data then your best measure of central tendency is the __________.

• mean

• median

• mode