Answer:
The predicted value of the year 18 is 107
Step-by-step explanation:
create a scatter plot for year and mean variables.
(<em>i have done that with Microsoft excel check the attachment from 1-3)</em>
Least square regression equation:
y = 9.3187x - 61.121
Predicted value of the lean 18
y = 9.3187 x (18) - 61.121
y = 107
The predicted value of the year 18 is 107
