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Question: problem1413 slowbaywebsite sample observations 1 0078 0076 0077 0079 0078...

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Problem14-13 SlowBayWebSite Sample Observations 1 0.078 0.076 0.077 0.079 0.078 2 0.077 0.075 0.077 0.079 0.076 3 0.076 0.079 0.074 0.072 0.078 4 0.075 0.076 0.076 0.079 0.073 5 0.075 0.075 0.077 0.076 0.076 6 0.078 0.080 0.074 0.078 0.077 7 0.074 0.075 0.077 0.075 0.075 8 0.078 0.073 0.071 0.075 0.073 9 0.075 0.075 0.077 0.079 0.077 10 0.076 0.073 0.076 0.078 0.074 11 0.077 0.074 0.076 0.079 0.077 12 0.078 0.075 0.073 0.075 0.078 13 0.077 0.077 0.079 0.077 0.075 14 0.073 0.077 0.073 0.078 0.081 15 0.079 0.075 0.076 0.077 0.078 Consider the data for the time required to begin loading the homepage in an Internet browser for Slowbay’s Web site. Fifteen samples of size 5 are shown in the data file for Problem 14-4. Specifications are 0.076 ± 0.009. a. Compute control limits for an x-chart (chart for individuals) using the statistic as an 푅푑2estimate of the standard deviation and using the actual standard deviation for the data. b. Construct the - and R-charts and an x-chart for individuals using the data. c. Estimate the process capability by using the estimated sample standard deviation.
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