Question: JSoftware In a trendline based on four observations, if the average of Y is 80 and the slope of the line is 28 then the

JSoftware In a trendline based on four observations, if the average of Y is 80 and the slope of the line is 28 then the intercept is Select one: O a. 10 O b. 20 O c. 30 O d. 40 ge

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