Leases (introduced in Chapter 19) This data table includes the annual prices of 223 commercial leases. All
Question:
(a) Create a scatterplot of the cost per square foot of the lease on the reciprocal of the square feet of the lease. Do you see a difference in the relation- ship between cost per square foot and 1/Sq Fit for the two locations? Use color-coding or different symbols to distinguish the data for the two locations.
(b) Based on your visual impression formed in part
(a), fit an appropriate regression model that describes the fixed and variable costs for these leases. Use a dummy marginal coded as 1 for leases in the city and 0 for suburban leases.
(c) Does the estimated multiple regression fit in part
(b) Meet the conditions for the MRM?
(d) Interpret the estimated coefficients from the equation fit in part (b), if it is OK to do so. If not, indicate why not.
(e) Would it be appropriate to use the estimated standard errors shown in the output of your regression estimated in part (b) to set confidence intervals for the estimated intercept and slopes? Explain.
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Related Book For
Statistics For Business Decision Making And Analysis
ISBN: 9780321890269
2nd Edition
Authors: Robert Stine, Dean Foster
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