ariestburks0513
16.11.2020 •
Mathematics
The mean score on a calculus exam was 40 and the standardize deviation was five. The teacher decided to double everyone score and then add seven points. What are the values of the mean and standard deviation of the distribution of transform exam scores
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Ответ:
The mean will double and add 7, the SD will double
Step-by-step explanation:
If the old mean is x, the new mean will be 2x+7, and since the SD is based on x, the SD for after the curve will based on 2x, so it will also double.
Ответ:
40
Step-by-step explanation: