Step Through Mean & Standard Deviation of Grouped Data
Move the DataSet slider to select a different data set.
Move the Seed slider to select a different sample.
Move the Step slider to move through the steps
of solving the problem.
These problems were created based on #27 p.185,
#3, #6 and #7 on pages 146-47 of the Michael
Sullivan, "Fundamentals of Statistics", 2nd edition.
Updated March 3, 2014.