Mathematics, 02.05.2021 23:20 djennings8055
Let x be the number of pages in a statistics textbook and y be the cost of the book (in dollars). Suppose that x and y are related according to the simple linear regression model with:
slope of the population regression line = 0.075
y-intercept of the population regression line = 25.0
What is the equation of the population regression line? (use context words...not x and y)
For a statistics book of 900 pages, what is the predicted cost in dollars? (round to the nearest penny)
What is the average change in price that is associated with a one-page increase in size of a statistics book? (round to the nearest penny)
What is the average change in price that is associated with a 20-page increase in size of a statistics book? (round to the nearest penny)
Answers: 3
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Let x be the number of pages in a statistics textbook and y be the cost of the book (in dollars). Su...
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