Table J.13 Professor Gable and His Graduate Assistant Are Grading Student Term

question 90

Multiple Choice

Table J.13
Professor Gable and his graduate assistant are grading student term papers.The graduate assistant must first make a general evaluation and then Professor Gable makes the final grade evaluation.There are four term papers to evaluate: W,X,Y,and Z.Because the length and content differ,each paper will differ in evaluation time.The times,in hours,are estimated to be:
-Use the information in Table J.13.How much time will it take to grade all four papers? That is,what is the makespan for this project?

• A)fewer than or equal to 22 hours
• B)greater than 22 but fewer than or equal to 23 hours
• C)greater than 23 but fewer than or equal to 24 hours
• D)greater than 24 hours

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Definitions:

X-bar

Another term for X-bar charts, it represents the mean value in a set of data as part of statistical quality control processes.

Sampling Distribution

The probability distribution of a given statistic based on a random sample, used to make inferences about the population.

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values from the mean.