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Back to 2.3 Measures of the Location of the Data

2.3 Exercise 3

Avg difficulty 2.5

Test scores for a college statistics class held during the day are:
99; 56; 78; 55.5; 32; 90; 80; 81; 56; 59; 45; 77; 84.5; 84; 70; 72; 68; 32; 79; 90

Test scores for a college statistics class held during the evening are:
98; 78; 68; 83; 81; 89; 88; 76; 65; 45; 98; 90; 80; 84.5; 85; 79; 78; 98; 90; 79; 81; 25.5

For the two data sets, find the following:

  1. The interquartile range. Compare the two interquartile ranges.
  2. Any outliers in either set.

OpenStax Introductory Statistics 2e, 2.3 Measures of the Location of the Data, exercise 3

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Adapted from Introductory Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Statistics 2e. Imported at revision 50ec917.