royal6032
11.10.2020 •
Mathematics
The mean of a data set is 5 and the standard deviation is 1.3. Every number in the set is multiplied by a, then c2 is added to all numbers. The mean of the new data set is 3 and the standard deviation is 2.6. Find the value of a.
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Ответ:
B. 85,000
Step-by-step explanation:
85 * 1000
= 85,000 mg.