Reference no: EM131042087
1. The formula for a regression equation is Y' = 2X + 9.
a. What would be the predicted score for a person scoring 6 on X?
b. If someone's predicted score was 14, what was this person's score on X?
2. For the (X,Y) data points below, compute:
Data Points: (4,6), (3,7), (5,12), (11,17), (10,9), (14,21)
a. The correlation (r) and determine if it is significantly different from a hypothesized slope of 0 (null hypothesis).
HINT: Use the significance test for correlation on Page - 482 and assume a 95% confidence.
b. The slope and intercept of the linear regression line
https://onlinestatbook.com/Online_Statistics_Education.pdf
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