Bao decides to research the relationship between the length in inches and the weight of a certain species of catfish. She measures the length and weight of a number of specimens she catches, then throws back into the water. After plotting all her data, she draws a line of best fit. Based on the line of best fit, how much would you predict a catfish with a length of 32 inches would weigh?

1 answer

To predict the weight of a catfish with a length of 32 inches using the line of best fit, Bao would need to find the y-coordinate on the line that corresponds to the x-coordinate of 32 inches. This would involve following the trendline equation and solving for the weight.

Once the trendline equation is identified, the calculation would take the form of:

weight = m * length + b

where m is the slope of the line and b is the y-intercept. By plugging in the length of 32 inches into the equation and solving for weight, the predicted weight of the catfish with a length of 32 inches can be determined.