By what percent does the y-coordinate of the data point (12,12) deviate from the y-value predicted by the line of best fit for an x-valued of 12? (Ignore the percent sign and grid your response to the nearest percent.)

Answer

33

Explanation

The point (12,12) is 3 full girid lines away from the line of best fit, which goes through (12,9).To find percent difference between the expected and actual y-values, use the percent change formula. Note that the phrasing of the questin indicates that the orginal value of use is 9, the y-value on the line of best fit: `(12-9)/(9)xx100%=3/9xx100%=33.3%.`
Grid in 33.