MAT201 Module 4 Case assignment.docx - Module 4 Sampling...

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Module 4: Sampling, Hypothesis Testing, and RegressionMAT201 Basic Statistics (NOV2016FT-2) Module 4 Case AssignmentWilliam B. KeithTrident University International
Module 4: Sampling, Hypothesis Testing, and Regression1.Choose one design method from the list below. Using your example, make a list of 2 or 3advantages and 2 or 3 disadvantages for using the method. (2 pts)
2.The name of each student in a class is written on a separate card. The cards are placed in a bag. Three names are picked from the bag. Identify which type of sampling is used and why. (2 pts)
3. A phone company obtains an alphabetical list of names of homeowners in a city. They select every 25th person from the list until a sample of 100 is obtained. They then call these 100 people to advertise their services. Does this sampling plan result in a random sample? What type of sample is it? Explain. (2 pts)
4.The manager of a company wants to investigate job satisfaction among its employees. One morning after a meeting, she talks to all 25 employees who attended. Does this sampling plan result in a random sample? What type of sample is it? Explain. (2 pts)
Module 4: Sampling, Hypothesis Testing, and Regression

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