# MGT 305 MGT305 Module 2 Check Your Understanding Answers (AAU Online)

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1.Describe the concepts of a sample and a population.

2.Give three examples each for continuous data and discrete data.

3.Why is it important to use both statistical measures and descriptive concepts when describing a histogram?

4.What is meant by the following expression: the central tendency of the data?

5.What is meant by the following expression: measures of dispersion?

6.Four readings of the thickness of the paper in the hardcopy version of this textbook are 0.076, 0.082, 0.073, and 0.077 mm.Â  Determine the mean and the standard deviation.

7.How do the range, mean, standard deviation, median, and mode work together to describe a distribution?

8.If the average wait time is 12 minutes with a standard deviation of 3 minutes, determine the percentage of patrons who wait less than 15 minutes for their main course to be brought to their tables.

9.The thickness of a part is to have an upper specification of 0.925 and a lower specification of 0.870 mm.Â  The average of the process is currently 0.917 with a standard deviation of 0.005.Â  Determine the percentage of product above 0.90 mm.

10.If the mean value of the weight of a particular brand of dog food is 20.6 lb and the standard deviation is 1.3, assume a normal distribution and calculate the amount of product produced that falls below the lower specification value of 19.7 lb.

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