Question: Transforming Data A statistics professor has found that the times used by students on her final exam have a mean of 135 minutes and a

Transforming Data A statistics professor has found that the times used by students on her final exam have a mean of 135 minutes and a standard deviation of 15 minutes.

She plans to add a new question that will require 5 additional minutes from each student.

a. What is the mean after the new question is included?

b. What is the standard deviation after the new question is included?

c. What is the variance after the new question is included?

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