Question: For the Houses data file (shown partly in Table 9.5), Table 9.12 shows a regression analysis relating selling price to number of bedrooms. (a) Report

For the Houses data file (shown partly in Table 9.5), Table 9.12 shows a regression analysis relating selling price to number of bedrooms.

(a) Report the prediction equation, and interpret the slope.

(b) Report r2, and interpret its value.

(c) Report the correlation and its confidence interval, and interpret.

(d) Interpret the value labeled Root MSE.

TABLE 9.12 Root MSE 93547 R-Square 0.1552 correlation and 95% limits price

TABLE 9.12 Root MSE 93547 R-Square 0.1552 correlation and 95% limits price bedrooms 0.394 0.214 0.548 Parameter Standard Variable Estimate Error t Sig. Intercept -28412 44303 -0.64 0.5228 bedrooms 61248 14435 4.24

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