Reading 10: Sampling and Estimation LOS c习题精选 border, example, between, div

honeycfa

LOS c: Distinguish between time-series and cross-sectional data.

Monthly Gross Domestic Product (GDP) figures from 1990-2000 are an example of:

A) cross-sectional data.

B) time-series data.

C) systematic data.

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A time-series is a group of observations taken at specific and equally spaced points in time. Cross-sectional data are observations taken at a single point in time.

zaestau

c

honeycfa

The sample of per square foot sales for 100 U.S. retailers in December 2004 is an example of:

A) unbiased data.

B) cross-sectional data.

C) time-series data.

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Cross-sectional data are a sample of observations taken at a single point in time. A time-series is a sample of observations taken at specific and equally spaced points in time.