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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.

(c) Which set of summary statistics do you prefer, and why?

(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.

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  • Category:- Statistics and Probability
  • Reference No.:- M91730772

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