The table below shows the average SAT math scores from 1993-2002. YearSAT math scores19935031994504199550619965081997511199851219995112000514Using the data from the table determine if there is a linear trend between the year and the average SAT math scores and determine if there is an exact linear fit of the data. Describe the linear trend if there is one.

The scores generally rise as the years go from 1993 to 2000, increasing from 503 to 514, so the trend is positive. The data do not form an exact linear fit because the year-to-year changes are not constant—for example, the score rises from 503 to 504, then from 504 to 506, and later falls from 512 to 511. Therefore, the correct choice is “Positive linear trend, not an exact linear fit.”

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