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Determine removal affects the regression

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Reference no: EM132907595

When an anthropologist finds skeletal remains, they need to figure out the height of the person. The height of a person (in cm) and the length of their metacarpal bone 1 (in cm) were collected and are in table #10.1.5 ("Prediction of height," 2013).

Draw a scatter plot and find a regression equation between the height of a person and the length of their metacarpal. Then use the regression equation to find the height of a person for a metacarpal length of 44 cm and for a metacarpal length of 55 cm.

State the random variables. Also, look to see if there are any outliers that need to be removed. Do the regression analysis with and without the suspected outlier points to determine if their removal affects the regression.

Which height that you calculated do you think is closer to the true height of the person? Why?

Length of metacarpal (cm) Height of person (cm)

45 171
51 178
39 157
41 163
48 172
49 183
46 173
43 175
47 173

Reference no: EM132907595

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