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2.7 Exercise 5

Avg difficulty 2.5

Two students, John and Ali, from different high schools, wanted to find out who had the highest GPA when compared to his school. Which student had the highest GPA when compared to his school?

Student GPA School Mean GPA School Standard Deviation
John 2.85 3.0 .7
Ali 77 80 10

OpenStax Statistics, 2.7 Measures of the Spread of the Data, exercise 5

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