Question: Problem 1.34 Refer to the infant weight gain data in Example 1.7 (Table 1.6). (a) Compute the median x, Q1, Q3, and IQR of the

Problem 1.34 Refer to the infant weight gain data in Example 1.7 (Table 1.6).

(a) Compute the median x˜, Q1, Q3, and IQR of the infant weight gain for the smoking mothers data. Identify all outliers, if any.

(b) Compute the median, Q1, Q3, and IQR of the infant weight gain for the non-smoking mothers data. Identify all outliers, if any.

(c) Draw the side-by-side box plots for the smoking and non-smoking mothers.

(d) Using the results of parts

a, b, c above compare the two populations with respect to the effect, if any, that smoking has on infant weight gain.

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