Use the following heights (in.) The data are matched so that each column consists of heights from the same family.

a. Are the three samples independent or dependent? Why?
b. Find the mean, median, range, standard deviation, and variance of the heights of the sons.
c. What is the level of measurement of the sample data (nominal, ordinal, interval, ratio)?
d. Are the original unrounded heights discrete data or continuous data?

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Father Mother Son 68.0 64.0 71.0 68.0 60.0 64.0 2 66.0 59.0 68.0 67.5 62.0 70.0 70.0 69.0 71.0 68.0 65.5 71.7 71.0 63.0 66.0 71.0