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Select ONE company traded on the NYSE and then do the following:
Record the daily closing stock price for this company for six consecutive weeks (so that you have 30 values).
Calculate the daily changes in the closing stock price of this company for six consecutive weeks (so that you have 30 values for the company).
For your data set, decide whether the data are approximately normally distributed by:
Constructing the stem-and-leaf display, histogram or polygon, and boxplot.
Comparing data characteristics to theoretical properties.
Constructing a normal probability plot.
Discuss the results of (a) through (c). What can you say about your three stocks with respect to daily closing prices and daily changes in closing prices? Which, if any, of the data sets are approximately normally distributed?