Question

Annie Mikhail, market analyst for a national company specializing in historic city tours, is analyzing the relationship between the sales revenue from historic city tours and the size of the city. She gathers data from six cities in which the tours are offered. Annie's dependent variable is annual sales revenues and her independent variable is the city population. Regression analysis of the data yielded the following tables.

Coefficients Standard Error t Statistic p-value
Intercept -0.14156 0.292143 -0.48455 0.653331
x 0.105195 0.013231 7.950352 0.001356

Source df SS MS F
Se = 0.237
Regression 1 3.550325 3.550325 63.20809
r2 = 0.940483
Residual 4 0.224675 0.056169


Total 5 3.775




For a city with a population of 500,000, Annie's model predicts annual sales of ________________.
a) $70,780
b) $5,259
c) $170,780
d) $52,597
e) $152,597

Answer

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