Which Method of Data Collection Is Involved When a Researcher

question 53

Multiple Choice

Which method of data collection is involved when a researcher counts and records the number of students wearing backpacks on campus in a given day?

• A)An experiment.
• B)A survey.
• C)Direct observation.
• D)None of these choices.

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Definitions:

Average Regression Interval

Average regression interval describes the range within which the average value of the dependent variable falls, based on a linear regression model.

X Versus Y Correlation Interval

A range of values that estimates the strength and direction of the linear relationship between two variables.

Prediction Interval Estimate

An estimate of an interval in which future observations will fall, with a certain probability, given what has already been observed.

Confidence Interval Estimate

A range of values defined so that there is a specified probability that the value of a parameter lies within it.