Sample median and interquartile range and make a box plot

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Reference no: EM131015089

1. For the data in webvisit .txt calculate the sample median and interquartile range and make a box plot.

2. For the data set odor .txt (see Problem 2.1.9, p. 16) do the following.

(a) Calculate the sample mean and standard deviation of hardness.

(b) Calculate the sample median and interquartile range for hardness.

(d) Construct a histogram for the hardness values.

(e) Use the previous parts of the problem to write a report summarizing the distribution of hardness.

Reference no: EM131015089

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