Mathematics, 12.03.2021 17:50 chiquita77
Home values tend to increase over time under normal conditions, but the recession of 2008 and 2009 has reportedly caused the sales price of existing homes to fall nationwide (Businessweek, March 9, 2009). You would like to see if the data support this conclusion. The file HomePrices contains data on 30 existing home sales in 2006 and 40 existing home sales in 2009.a) Provide a point estimate of the difference between the population mean prices for the two years. b) Develop a 99% confidence interval estimate of the difference between the resale prices of houses in 2006 and 2009.c) (Extra Credit) Would you feel justified in concluding that resale prices of existing homes have declined from 2006 to 2009
Answers: 2
Mathematics, 21.06.2019 21:00, edandjill24
Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.
Answers: 1
Home values tend to increase over time under normal conditions, but the recession of 2008 and 2009 h...
Mathematics, 23.02.2021 01:40
Mathematics, 23.02.2021 01:40
Mathematics, 23.02.2021 01:40
Mathematics, 23.02.2021 01:40
Mathematics, 23.02.2021 01:40