Zacharia Grinnell February 28, 2016
MAT 300 Module 3 Homework
Problem 4.28
a.) y = 1041.89 - 13.237x1 + 103.306x2
b.) x1 = B1 + B3x2
x1 = -13.23762 + 3.62096(10)
x1 = 22.97
The annual earnings of vendors who worked 10 hrs/day will increase by $22.97 for e
Zacharia Grinnell February 20, 2016
MAT 300 Module 2 Homework
Problem 4.20
a.) The 95% prediction interval for y is (1760, 4275). In other words, we can say with 95% confidence that the mean earnings for a single vendor that works 10 hours a day and is 45
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