Question: In their book Introduction to Linear Regression Analysis (3rd edition, Wiley, 2001) Montgomery Peck and Vining present measurements on NbOCl3 concentration from a tube-flow reactor

In their book Introduction to Linear Regression Analysis (3rd edition, Wiley, 2001) Montgomery Peck and Vining present measurements on NbOCl3 concentration from a tube-flow reactor experiment the data, in grammole per liter x 10-3, are as follows:

(a) Construct a stem-and-leaf diagram for this data and comment on any important features that you notice.
(b) Compute the sample mean, sample standard deviation, and the sample median.

473 507 457 452 453 1215 1256 450 1145 1085 1066 1111 1364 1254 1396 1575 1617 1733 2753 3186 3227 3469 1911 2588 2635 2725 450

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