Question: The galton (UsingR) data set contains data collected by Francis Galton in 1885. Each data point contains a child's height and an average of his

The galton (UsingR) data set contains data collected by Francis Galton in 1885. Each data point contains a child's height and an average of his or her parent's heights.

Use t-test to see if there is a difference in the mean height.

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