nd LungCap? How about Height and LungCap? Check correlations and draw a heat map

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use "ggplot", do not use "heatmap" function

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$$You should obtain the following output:

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$$Test whether average height differs for smoking and nonsmoking people. Select an appropriate INFERENTIAL STATISTICAL TEST, check its assumptions, apply it and make comments on the result

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$$PLEASE ENTER YOUR R Script IN THE TEXTBOX BELOW. You can write your comments and explanations for questions # within the sign

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