# Question

Explain the purpose of a goodness-of-fit test.

## Answer to relevant Questions

The shares of the U. S. automobile market held in 1990 by General Motors, Japanese manufacturers, Ford, Chrysler, and other manufacturers were, respectively, 36%, 26%, 21%, 9%, and 8%. Suppose that a new survey of 1,000 ...When a least squares line is fit to the 30 observations in the Fresh detergent data, we obtain SSE = 2.806. Calculate s2 and s. The Excel output of a simple linear regression analysis of the data set for this case (see Table 13.5) is given in Figure 13.13. Recall that a labeled Excel regression output is on page 482. The following partial Excel add- in ( MegaStat) regression output for the service time data relates to predicting service times for 1, 2, 3, 4, 5, 6, and 7 copiers. a. Report (as shown on the computer output) a point ...Consider testing H0: β1 = 0 versus Ha: β1 ≠ 0. Figure tells us that t = – 7.3277 and that the related p-value is .0003. Assuming that the bivariate normal probability distribution assumption holds, test H0: ρ = 0 ...Post your question

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