Which Type of Data Cannot Be Purchased (Legally and Ethically)from

question 53

Multiple Choice

Which type of data cannot be purchased (legally and ethically) from commercial sources?

• A)demographic and census updates
• B)market-share data
• C)consumer attitudes and public opinions
• D)proprietary research and development data

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Definitions:

Coefficient Of Determination

A statistical measure represented as a number between 0 and 1 that indicates the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

SSR

The sum of squared residuals, a measure of the discrepancy between the data and an estimation model.

SSE

The sum of squared errors, which measures the total deviation of observed values from their mean in statistical models.

Confidence Interval

The interval estimate of the mean value of y for a given value of x.