Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.
Start Practicing

Worksheet: Finding the Outliers of a Data Set

Q1:

Determine the outlier of the following data: 16, 16, 15, 18, 15, 15, 56.

Q2:

Determine the outlier of the following data: 10, 17, 9, 15, 11, 68, 7.

Q3:

Find all possible outliers for the following set of data: 108, 31, 75, 87, 79, 88, 89, 118, 51, 89, 174, 95, 51, 70, and 73.

  • AThere are no outliers.
  • B174
  • C31
  • D31, 174
  • E70

Q4:

Find all the outliers, if there are any, in the following set of data: 31.9, 44.2, 31.3, 48.7, 23.4, 35.5, 34.5, 26.5, 41.6, 9.5, 60.2, 52.9, 46.1, 41.8, 51.3.

  • A9.5, 60.2
  • B60.2
  • C9.5
  • Dno outliers
  • E31.3

Q5:

Which of the following sets of data has an interquartile range of 7 and two outliers?

  • A28, 29, 34, 23, 34, 20, 35, 39
  • B1, 8, 11, 10, 7, 10, 10, 45
  • C9, 25, 22, 24, 25, 24, 33, 54
  • D25, 24, 22, 54, 9, 33, 25, 22
  • E30, 35, 34, 23, 22, 35, 40, 83

Q6:

The numbers of matches won by 12 teams in the national league are 11, 5, 6, 6, 9, 10, 19, 14, 11, 9, 9, and 6. Is it true or false that 19 is an outlier of the data?

  • Atrue
  • Bfalse

Q7:

Are the goals scored by the outlier more or fewer than the combined goals of Daniel and James?

Player William Jacob Matthew Anthony James Daniel Mason Benjamin
Goals 8 8 11 9 3 13 11 10
  • Aless
  • Bmore

Q8:

The table shows the heights of the tallest buildings in a city. Find, if there are any, the outliers of the data.

607 630 762 685 714 561
678 662 550 901 502 725
  • AThe outlier is 502.
  • BThe outliers are 502 and 901.
  • CThe outlier is 901.
  • DThere are no outliers.

Q9:

The bar graph shows the prices of six different kitchen gadgets. Identify the outlier, and then find the mean of the data if the outlier is not included.

  • A$197.00, $169.00
  • B$22.00, $150.17
  • C$197.00, $140.80
  • D$22.00, $175.80
  • E$22.00, $146.50

Q10:

The bar graph shows the prices of six different jackets. Which price is an outlier?