We input simply the data to the calculator using the stat mode on the right x and y columns. The coefficient of lnear regression, r2 is equal to 0.67. The equation in the calculator resulted to y = 0.5 x + 3. The low r^2 means the relationship is not linear and the equation is not accurate to use.
Y = 7x
3x7 = 21
5x7 = 35
8x7 = 56
10x7 = 70
Answer:
-8
Step-by-step explanation:
Hope this helps!