Overview

Non-sampling Error

Data Analyses

First 1/3 of class

Go to Eastern Food Distributors in the menu.

Examine the effect of incentives on response rates and results using no incentives, then using one questionnaire plus a warning and reminder post card, and then all possible incentives. Write down your observations on response rates and findings.

Examine the effect of definition of the population by using a random sample of adults and then adults who went to a restaurant at leat twice last year.

Perform a survey of non-respondents to assess non-response error.

Perform a survey of tourists.

(Point to ponder: How do we account for non-response error in our decision making ?)

Second 1/3 of class<

Go to Frequency bias estimator in the menu. Discuss the Sportsplex case in Chapter 6 of the exercise book briefly. Solve questions 1, 2, and 4.

(Point to ponder: How do we account for such error in our decision making ?)

Third 1/3 of class

Go to sample size analysis in the menu. Solve questions 3, 4, and 9 from Chapter 9.1 in the exercise book.

If time permits

View the video and write down your observations using the concepts covered in class.

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