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x 0 1 2 3 5 5 7 8 y 96 85 82 74 76 84 65 75 *Round all answers to 2 d.p. a)
x | 0 | 1 | 2 | 3 | 5 | 5 | 7 | 8 |
y | 96 | 85 | 82 | 74 | 76 | 84 | 65 | 75 |
*Round all answers to 2 d.p.
a) Find the Correlation Coefficient: r =
b) What does the Correlation Coefficient tell us about the data?
Strength:
Direction:
Form:
c) What is the Regression Line Equation, in the form of y=ax+b: y =
d) Find the Coefficient of Determination: r2 =
e) Find the standard error: Se =
f) Find the predicted value for x=4: y =
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