Exhibit 14-6
You are given the following information about y and x. $Exhibit 14-6 You are given the following information about y and x. -A company has recorded data on the daily demand for its product (y in thousands of units) and the unit price (x in hundreds of dollars). A sample of 11 days demand and associated price resulted in the following data. a.Using the above information, develop the least-squares estimated regression line. b.Compute the coefficient of determination. c.Perform an F test and determine whether or not there is a significant relationship between demand and unit price. Let \alpha = 0.05. d.Perform a t test to determine whether the slope is significantly different from zero. Let \alpha = 0.05. e.Would the demand ever reach zero? If yes, at what price would the demand be zero? Show your complete work.$
-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 11 days demand and associated price resulted in the following data. $Exhibit 14-6 You are given the following information about y and x. -A company has recorded data on the daily demand for its product (y in thousands of units) and the unit price (x in hundreds of dollars). A sample of 11 days demand and associated price resulted in the following data. a.Using the above information, develop the least-squares estimated regression line. b.Compute the coefficient of determination. c.Perform an F test and determine whether or not there is a significant relationship between demand and unit price. Let \alpha = 0.05. d.Perform a t test to determine whether the slope is significantly different from zero. Let \alpha = 0.05. e.Would the demand ever reach zero? If yes, at what price would the demand be zero? Show your complete work.$
a.Using the above information, develop the least-squares estimated regression line.
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.Perform a t test to determine whether the slope is significantly different from zero. Let

\alpha

= 0.05.
e.Would the demand ever reach zero? If yes, at what price would the demand be zero? Show your complete work.

In a Residual Plot Against X That Does Not Suggest

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