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4434Estimating the mean and standard deviation from a grouped frequency distribution
http://www.merlot.org/merlot/viewMaterial.htm?id=304320
This is an interactive online exercise that presents a grouped frequency distribution and requests that the student estimate the mean and standard deviation. There is a link on the page to a video solution to the problem.Exploratory Data Analysis
http://www.merlot.org/merlot/viewMaterial.htm?id=304329
This is an interactive online exercise that presents a set of data and requests that the student provide the 5 number summary: minimum value, first quartile, median, third quartile, and maximum value for the data set. The student is also requested to use the interquartile range to determine if the data set contains any outliers. There is a link on the page to a video solution.How to construct a percentile graph from a grouped frequency distribution interactive online exercise with video solution
http://www.merlot.org/merlot/viewMaterial.htm?id=304304
This is an interactive online exercise that asks the student to construct a percentile graph from a given grouped frequency distribution. The student is then prompted to enter corresponding data values and percentile rankings that they should find using the percentile graph that they have constructed. There is a link on the page to a detailed video solution for the problem.