Calculate the values of sample mean and standard deviation

Reference no: EM131008538

The accompanying data on milk volume (in grams per day) were taken from the paper "Smoking During Pregnancy and Lactation and Its Effects on Breast Milk Volume" (American Journal of Clinical Nutrition [1991]: 1011-1016):

Calculate the values of the sample mean and the standard deviation.

a. Calculate the 10% trimmed mean. How does the value of the trimmed mean compare to that of the sample mean? Which would you recommend as a measure of center? Explain.

b. Compute the upper quartile, the lower quartile, and the interquartile range.

Smoking	621	793	593	545	753	655	d.	Are there any mild or extreme outliers present in this
mothers	895	767	714	598	693			data set?
Nonsmoking	947	945	1086	1202	973	981	e.	Construct the boxplot for this data set.

mothers 930 745 903 899 961 Compare and contrast the two samples

Reference no: EM131008538

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