UPSKILL MATH PLUS

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Answer variants:
20.43
14.3
143.16
The number of people visiting the museum from Monday to Friday is 146.5, 159.9, 136, 122.4, 151.
 
1. The mean number of people visiting the museum is
.
 
2. The standard deviation of people visiting the museum is
.
 
3. The coefficient of variation is
.