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Exhibit 14-6
You Are Given the Following Information About Y α\alpha

Question 64

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Exhibit 14-6
You are given the following information about y and x. Exhibit 14-6 You are given the following information about y and x. -A company has recorded data on the daily demand for its product (y in thousands of units) and the unit price (x in hundreds of dollars). A sample of 15 days demand and associated prices resulted in the following data. a.Using the above information, develop the least-squares estimated regression line and write the equation. b.Compute the coefficient of determination. c.Perform an F test and determine whether or not there is a significant relationship between demand and unit price. Let \alpha = 0.05. d.Would the demand ever reach zero? If yes, at what price would the demand be zero?
-A company has recorded data on the daily demand for its product (y in thousands of units) and the unit price (x in hundreds of dollars). A sample of 15 days demand and associated prices resulted in the following data. Exhibit 14-6 You are given the following information about y and x. -A company has recorded data on the daily demand for its product (y in thousands of units) and the unit price (x in hundreds of dollars). A sample of 15 days demand and associated prices resulted in the following data. a.Using the above information, develop the least-squares estimated regression line and write the equation. b.Compute the coefficient of determination. c.Perform an F test and determine whether or not there is a significant relationship between demand and unit price. Let \alpha = 0.05. d.Would the demand ever reach zero? If yes, at what price would the demand be zero?
a.Using the above information, develop the least-squares estimated regression line and write the equation.
b.Compute the coefficient of determination.
c.Perform an F test and determine whether or not there is a significant relationship between demand and unit price. Let α\alpha = 0.05.
d.Would the demand ever reach zero? If yes, at what price would the demand be zero?

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a.= 16.515 - 0.903x
b.r2<...

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