multiple choice questions for Objective 3

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Chapter 4

This activity contains 4 questions.

Ms. Washington is investigating teachers' attitudes toward year-round schooling. She is particularly interested in describing the attitudes of teachers from small, medium, and large schools. Which sampling procedure should be used by Ms. Washington to ensure her sample is representative of these types of schools?

	Simple random sampling
	Stratified random sampling
	Systematic sampling
	Convenience sampling

In which of the following situations would stratified sampling be recommended?

	The population has more males than females, and the researcher is studying a topic related to gender.
	There are four distinct ethnic groups in New Orleans, and the researcher wants to be assured each group is represented equally in the sample.
	A superintendent wants to be sure she selects teachers from elementary, middle/junior high, and high schools in numbers that are equal to the proportions of teachers in these types of school in her district.
	All of these.

Which of the following is NOT likely to be used to stratify a sample for a study investigating the use of a computerized algebra program?

	Gender
	Ethnicity
	Socio-economic status
	Number of siblings in the home

When a principal selects a sample of 30 subjects from each of the grades in her school, she is likely using which type of sampling technique?

	Random
	Proportional stratified random
	Non-proportional stratified random
	Cluster

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