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Back to 10.4 Matched or Paired Samples (Optional)

10.4 Exercise 20

Avg difficulty 2.5

Ten individuals went on a low-fat diet for 12 weeks to lower their cholesterol. The data are recorded in the table. Do you think that their cholesterol levels were significantly lowered?

Starting cholesterol level Ending cholesterol level
140 140
220 230
110 120
240 220
200 190
180 150
190 200
360 300
280 300
260 240

OpenStax Statistics, 10.4 Matched or Paired Samples (Optional), exercise 20

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Adapted from Statistics © 2022 Rice University. Licensed under CC BY 4.0. Source: Statistics. Imported at revision 7dea80a.