Weekly closing prices of hewlett-packard stock from october, Ask an Expert

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Weekly closing prices of Hewlett-Packard stock from October 1995 to February 1996 are listed below, given in sequential order and rounded to the nearest dollar:

93, 94, 95, 89, 85, 82, 87, 85, 84, 80, 78, 78, 84, 87, 90.

(a) Using time as the horizontal axis and closing price as the vertical axis, construct a trend graph showing how the price moved during this period.

(b) Construct a stem and leaf plot.

(d) Use the change of scale procedure in Section 1.5 to calculate the standard deviation of the closing price.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92682110

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