Use the listed lengths of the machine screws from Data Set 19 in Appendix B. The screws are supposed to have a length of 3/4 in. Do the results indicate that the specified length is correct?

Refer to the indicated data set in Appendix B. Use computer software or a calculator to find the means and medians.

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Data Set 19: Screw Lengths (inches) All screws are stainless steel sheet metal screws from packages with labels indicating that the screws have a length of 3/4 in. (or 0.75 in.). The screws are supplied by Crown Bolt, Inc., and the measurements were made by the author using a vernier caliper. STATDISK: Data set name is Screws. Minitab: Worksheet name is SCREWS.MTW. Excel: Workbook name is SCREWS.XLS. TI-83/84 Plus: App name is SCREWS, and the file names are the same as for text files. Text file name: Text file name is SCRWS. 0.757 0.723 0.754 0.737 0.757 0.741 0.722 0.741 0.743 0.742 0.740 0.758 0.724 0.739 0.736 0.735 0.760 0.750 0.759 0.754 0.744 0.758 0.765 0.756 0.738 O.742 0.758 0.757 0.724 0.757 0.744 0.738 0.763 0.756 0.760 0.768 0.761 0.742 0.734 O.754 0.758 0.735 0.740 0.743 0.737 0.737 0.725 O.761 0.758 0.756