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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Property assessments. The data that follow show assessed value for property tax purposes (Y1Â in thousand dollars) and sales price (Y2, in thousand dollars) for a sample of 15 parcels of land for industrial development sold recently in "arm's length" transactions in a tax district. Assume that bivariate normal model (2.74) is appropriate here.

Â
a. Plot the data in a scatter diagram. Does the bivariate normal model appear to be appropriate here? Discuss.
b. Calculate r12. What parameter is estimated by r12? What is the interpretation of this parameter?
c. Test whether or not Y1Â and Y2Â are statistically independent in the population, using test statistic (2.87) and level of significance .01. State the alternatives, decision rule, and conclusion.
d. To test P12 = .6 versus P12 ≠.6, would it be appropriate to use test statistic (2.87)?
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