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Mathematics, 06.11.2020 01:00 curtisepps

The mean score on a calculus exam was 40 and the standard deviation was 5. The teacher decided to double everyone's score, and then added 7 points.

What are the values of the mean and standard deviation of the distribution of transformed exam scores?

mean = 80 and standard deviation = 5

mean = 80 and standard deviation = 10

mean = 87 and standard deviation - 5

mean 87 and standard deviation =10

mean = 87 and standard deviation = 17
mean

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