The following is data for the first and second Quiz scores for 8 students in a class.
First QuizSecond Quiz
127
139
2521
3127
3736
3837
4243
4343

Plot the points in the grid below.
51015202530354045505101520253035404550
Clear All Draw: Dot


Draw the best fitting trend line for the data on the grid below.
For line click on the line button. Click and release at a starting point, move to the ending point and double click.
51015202530354045505101520253035404550
Clear All Draw: Line


Predict the value of the second quiz score if a student had a score of 28\displaystyle {28} on the first test.