Asked by nurul
the average of the hemoglobin reading for a sample of 20 teachers was 16 gram per 100 milliliters, with a sample standard deviation of 2 grams. find the 99% confidence interval of the population mean.
Answers
Answered by
PsyDAG
99% = mean ± 2.575 SEm
SEm = SD/√n
SEm = SD/√n
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