Design a schedule of work sampling observations in which eight observations are

Question

Design a schedule of work sampling observations in which eight observations are made during one eight-hour day. Using the following table, read the last digit going down column 4 for hours (e.g., 1 7 4 4 6 . . . ), and read across row 4 from left to right in sets of two for minutes (e.g., 16 32 15 46 . . . ). Arrange the times chronologically. Note: It is only possible to sample observations between 00:00and 07:59. Therefore, discard any sampled hour or minute values that do not conform to this time range. (Leave no cells blank - be certain to enter "0" wherever required.)

Chronological order:

Design a schedule of work sampling observations in which eight observations are made during one eight-hour day. Using the following table, read the last digit going down column 4 for hours (e.g., 1 7 4 4 6 . . . ), and read across row 4 from left to right in sets of two for minutes (e.g., 16 32 15 46 . . . ). Arrange the times chronologically. Note: It is only possible to sample observations between 00:00and 07:59. Therefore, discard any sampled hour or minute values that do not conform to this time range. (Leave no cells blank - be certain to enter "0" wherever required.)

Explanation / Answer

The raw data of time is complied as below as per method specified in the question.

There's one duplicate value, which is appearing twice in the list , i.e. 6:19 and two values are greater than 7:59 i.e. 9:23 and 9:44 so these three values are discarded from the data set. Then the remaining time values are arranged in chronololical order as below. In this list only the first 8 values are considered.

Hour taken from last digit of column 4 Minutes taken from row 4 left to right Time 1 16 1:16 7 32 7:32 4 15 4:15 4 46 4:46 6 19 6:19 3 50 3:50 1 18 1:18 9 44 9:44 outside range 1 11 1:11 9 23 9:23 outside range 6 19 6:19 duplicate 5 8 5:08

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