Statistics Problems

"10 .62 (a (d . Refer to the Real Estate data , which reports information on the homes sold in Denver , Colorado , last year "a . A recent article in the Denver Post indicated that the mean selling price of the homes "in the area is more than 220 ,000 . Can we conclude that the mean selling price in the "Denver area is more than 220 ,000 ? Use the .01 significance level . What is the p-value "Answer "Ho "The mean selling price in denver is not greater than 220 ,000 "Ha "The mean selling price in denver is greater than 220 ,000 "Sample

mean "221102 .7 "Sample SD "47105 "Critical value at 0 .01 "2 .084 "Obtained Value "0 .2525 "Decision "Since the obtained value is less than the critical value , accept Ho "Conclusion "The mean selling price in denver is not greater than 220 ,000 "p-value "0 .4836 "d . Determine the proportion of homes that have a pool . At the .05 significance level , can "we conclude that less than 40 percent of the homes sold in the Denver area had a pool "What is the p-value "Price "Bedrooms "Size "Pool "Distance "Twnship "Garage "Baths "Real Price (x1000 "263 .1 "4 "2300 "1 "17 "5 "1 "2 "263100 "182 "4 "2100 "0 "19 "4 "0 "2 "182400 "242 "3 "2300 "0 "12 "3 "0 "2 "242100 "213 "2 "2200 "0 "16 "2 "0 "2 .5 "213600 "139 .5 "2 "2100 "0 "28 "1 "0 "1 .5 "139900 "245 "2 "2100 "1 "12 "1 "1 "2 "245400 "327 "6 "2500 "0 "15 "3 "1 "2 "327200 "271 "2 "2100 "0 "9 "2 "1 "2 .5 "271800 "221 "3 "2300 "1 "18 "1 "0 "1 .5 "221100 "266 .6 "4 "2400 "0 "13 "4 "1 "2 "266600 "292 .4 "4 "2100 "0 "14 "3 "1 "2 "292400 "209 "2 "1700 "0 "8 "4 "1 "1 .5 "209000 "270 "6 "2500 "0 "7 "4 "1 "2 "270800 "246 "4 "2100 "0 "18 "3 "1 "2 "246100 "194 "2 "2300 "0 "11 "3 "0 "2 "194400 "281 "3 "2100 "0 "16 "2 "1 "2 "281300 "172 "4 "2200 "1 "16 "3 "0 "2 "172700 "207 .5 "5 "2300 "1 "21 "4 "0 "2 .5 "207500 "198 "3 "2200 "1 "10 "4 "1 "2 "198900 "209 "6 "1900 "1 "15 "4 "1 "2 "209300 "252 "4 "2600 "0 "8 "4 "1 "2 "252300 "192 "4 "1900 "1 "14 "2 "1 "2 .5 "192900 "209 "5 "2100 "0 "20 "5 "0 "1 .5 "209300 "345 .3003125 "8 "2600 "0 "9 "4 "1 "2 "345300 "326 "6 "2100 "0 "11 "5 "1 "3 "326300 "173 "2 "2200 "1 "21 "5 "1 "1 .5 "173100 "187 "2 "1900 "0 "26 "4 "0 "2 "187000 "257 "2 "2100 "0 "9 "4 "1 "2 "257200 "233 "3 "2200 "0 "14 "3 "1 "1 .5 "233000 "180 "2 "2000 "0 "11 "5 "0 "2 "180400 "234 "2 "1700 "0 "19 "3 "1 "2 "234000 "207 "2 "2000 "0 "11 "5 "1 "2 "207100 "247...