Question

The table shows the average number of hours of daylight per day for the last four months of the year

Answer 1

the answer is -0.993, this is also true for edge 2020

Explanation:

Answer 2

For this problem, the set of data is
Month Average hours per day
9 12.37
10 11.37
11 10.57
12 10

Determine the correlation for this data using the R^2 formula. The result is the equation
y = -0.79x + 19.38
with
R^2 = 0.9854