The Siblings case study and data sets.
Links:
Download the case study
Download the data set - 1
Download the data set - 2
One Sample t Confidence Interval:
Using data from a survey of students, estimate the average number of siblings for the general population. Key ideas: Logarithmic transformation, inverse transformation, mean versus median, power, robustness of t procedures, sampling distribution.
JMP features demonstrated
Analyze > Distribution, Formula Editor, transforming in Graph Builder
Statistical/graphical tools used:
Histograms, normal quantile plots, log transformations, confidence intervals, inverse transformation.
Statistics case studies provided by Dewayne Derryberry of the Math Department at Idaho State University.
