For the House Selling Prices OR data file on the text CD, the output shows the result of conducting an ANOVA comparing mean house selling prices (in $1000) by Age Category ( New = 0 to 24 years old, Medium = 25 to 50 years old, Old = 51 to 74 years old, Very Old = 75 + years old ). It also shows a summary table of means and standard deviations of the selling prices, by condition. Consider the New and Medium ages, where 150 of the 200 observations fall.
a. Using information given in the tables, show how to construct a 95% confidence interval comparing the corresponding population means.
b. Interpret the confidence interval.

  • CreatedSeptember 11, 2015
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