The table to the right shows the median weekly earrings of full time workers by

Question

The table to the right shows the median weekly earrings of full time workers by height over a five-year period. Identify the cross-sectional data in the table. What are the cross-sectional data in the table? A. The cross sectional data are the five rows because they each show values taken from two different subjects in a single year. C. The cross sectional data are the two earnings columns because they both show values taken from two different groups in a single year. D. The cross-sectional data are the five rows because they each show values taken from a single group across five years. E. There are no cross sectional data in the table.

Explanation / Answer

Correct option is E as there is a time component. Every year, a new random sample is taken from the population. So this is repeated cross-sections data.

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