Mathematics, 30.05.2021 01:10 SoccerHalo
A teacher gives a test in which the average of the test scores is 68 and the standard deviation is 14. Realizing that the test was probably too difficult, the teacher decides to scale the tests by adding 10 points to all scores. What is the mean and standard deviation of the scaled test scores?
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A teacher gives a test in which the average of the test scores is 68 and the standard deviation is 1...
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