If a sample of 57 swimmers is taken from a population of 135 swimmers, the
population mean, u, is the mean of how many swimmers' times?
O
A. 135
B. Both 57 and 135
O C. Neither 57 nor 135
O D. 57

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Ответ:

sadiyah1116

02.02.2023

Mathematics

yes

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If a sample of 57 swimmers is taken from a population of 135 swimmers, the population mean, u, is the mean of how many swimmers' times? O A. 135 B. Both 57 and 135 O C. Neither 57 nor 135 O D. 57