Question
QUESTION 3 A Professor at Brock University believes there is a relationship between the number of contacts with her and the grade that the student
QUESTION 3
A Professor at Brock University believes there is a relationship between the number of contacts with her and the grade that the student receives. To verify this, the following data was collected:
# of Contacts (X) | 4 | 2 | 10 | 11 | 9 | 6 | 7 | 13 | 3 | 5 | 8 | 4 |
Grade (Y) | 64 | 52 | 88 | 86 | 76 | 73 | 70 | 95 | 71 | 72 | 74 | 68 |
Round all answers to 3 decimal places.
a.Calculate the coefficient of correlation and interpret.
What is your calculated r?
b. Determine the coefficient of determination and interpret.
What is your calculated r2?
c.Determine the regression equation.
What is your a value?
What is your b value?
d.Determine the standard error of the estimate.
What is your SE?
e.Determine the 90% confidence interval for the grade of a student who has contacted the professor 8 times throughout the term.
What is your lower limit?
What is your upper limit?
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Combinatorial Geometry In The Plane
Authors: Hugo Hadwiger, Hans Debrunner, Victor Klee
1st Edition
048679993X, 9780486799933
