Thee correlation factor formula for two variables is
(r) =[ nΣxy – (Σx)(Σy) / Sqrt([nΣx^2 – (Σx)^2][nΣy^2 – (Σy)^2])].
A). as per the formula the correlation factor for the given data is 0.94.
B). the month of September has the highest correlation as 0.94 is much closer to 1 than 0.89.( note: 1 denotes the perfect correlation and 0 denotes no correlation at all)
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X^2 + y^2 = 9 . . . . . . . . circle
y = x + 3 . . . . . . . (linear graph)
They intersect at (-3, 0) and (0, 3)
A. no
b. yes
c. no
hope this helped!!!
Answer:
96 square centimetres
Step-by-step explanation:
3 feet= 12 centimetres
2 feet= 8 centimetres
if 1 foot equals 4 centimetres then you would multiply 3x4 to get the length and 4x2 to get the width and multiple those answers to get the final area.
Answer:
-57-176i
Step-by-step explanation: