Coach Fiske recorded the number of shots on goal his first-line hockey players made during two weeks of hockey scrimmage. 4. Find the mean for each week , in which week did his first line take more shots on goals?

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?