![]() ![]() NB: Be careful when using the sample size \(n\) in the formula as we do not have the weight registered for all participants ( \(n\)<200). 43.61487 > mean( d $age ) - 1.96 * sd( d $age ) / sqrt( 200 )ĭo you remember the interpretation of the confidence interval? Otherwise it will be repeated during the course.ĭetermine the 95% confidence interval for the mean weight ( wgt) in the SundBy data set.
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