Answer to Question #178771 in Statistics and Probability for emon

Statistics and Probability

Question #178771

For a sample of size 36, ∑x = 761.6, ∑x² = 16125.5. Is the population mean 21

Expert's answer

mean = "\\frac{\\sum{x}}{sample \\ size}" = "\\frac{761.6}{36} \\approx 21"

Answer: yes, mean = 21.

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