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sample mean = population mean = 2.11
standard deviation = population standad deviation / sqrt(sample size)
= 1.3 / sqrt(90)
= 0.137
Solution
sample mean = population mean = 2.11
standard deviation = population standad deviation / sqrt(sample size)
= 1.3 / sqrt(90)
= 0.137

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sample mean = population mean = 2.11standard deviation = popul.pdf

  • 1. sample mean = population mean = 2.11 standard deviation = population standad deviation / sqrt(sample size) = 1.3 / sqrt(90) = 0.137 Solution sample mean = population mean = 2.11 standard deviation = population standad deviation / sqrt(sample size) = 1.3 / sqrt(90) = 0.137