Mathematics, 17.04.2021 21:30 love5965
A researcher is interested in estimating the mean BMI of adults in UAE . He selected a random sample of 20 adults which yielded a mean of 24.5 kg/m2 and a standard deviation of 1.3 kg/m2. He believes that the distribution of BMI is strongly skewed. Which distribution should he use to construct the confidence interval?
a. Neither t nor standard normal distribution.
b. t distribution with 19 degrees of freedom
c. t distribution with 20 degrees of freedom
d. Standard normal distribution
Answers: 3
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A researcher is interested in estimating the mean BMI of adults in UAE . He selected a random sample...
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