Use the results of Exercises 11.69 and 11.70 to determine which regression model provides the better fit. Give reasons for your choice.
REFERENCE:
11.70 : Refer to the data of Exercise 11.69. A plot of y versus the (natural) logarithm of x is shown and more Stata output is given here:
a. What is the regression line using log x as the independent variable?
b. Conduct a test of and give the level of significance for a one-sided alternative,
11.69 : A government agency responsible for awarding contracts for much of its research work is under careful scrutiny by a number of private companies. One company examines the relationship between the amount of the contract (×$10,000) and the length of time between the submission of the contract proposal and contract approval:
a. What is the least-squares line?
b. Conduct a test of the null hypothesis Give the p-value for your test, assuming
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