24. Prepare a random sampling plan like Example 6.2 that tells the specific time
ID: 3052659 • Letter: 2
Question
24. Prepare a random sampling plan like Example 6.2 that tells the specific times that each sample should be taken. Ten samples are to be taken in an 8-hour shift that begins at 3:00 P.M. Each sam- le consists of five pieces that take 15 minutes to produce. Use the sequence of random numbers in order columnwise) generated by a statistical calculator given in Table 6.8. TABLE 6.8 838 918 470 422 007 287 956 143 676 203 533 410 641 733 357 404 816 358 694 928 645 753 699 079 853 745 961 657 828 058 022 190 508 941 104 090 754 163 636Explanation / Answer
The random number should denote the time for 8 hour shift period. We will choose the three-digit number in which the first digit (hour) falls between 0 and 7 and the last two digits fall between 00 and 59. Also, each sample time difference should be greater than 15 minutes.
24.
838, 676, 816, 853(not selected),
305 (selected)
Random numbers Procedure Sample Time838, 676, 816, 853(not selected),
305 (selected)
3:00 PM + 3 hours, 5 minutes 6:05 PM 918 (not selected), 203 3:00 PM + 2 hours, 3 minutes 5:03 PM 358 3:00 PM + 3 hours, 58 minutes 6:58 PM 745 3:00 PM + 7 hours, 45 minutes 10:45 PM 508 3:00 PM + 5 hours, 8 minutes 8:08 PM 470 (not selected), 533 3:00 PM + 5 hours, 33 minutes 8:33 PM 694, 961, 941 (not selected), 422 3:00 PM + 4 hours, 22 minutes 7:22 PM 410, 928 (not selected), 657 3:00 PM + 6 hours, 57 minutes 9:57 PM 104 3:00 PM + 1 hours, 4 minutes 4:04 PM 007 3:00 PM + 0 hours, 7 minutes 3:07 PMRelated Questions
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