OF Written Homework #8 Name: Class time: The following data was collected from the Sunday real estate section of the Kno

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Of Written Homework 8 Name Class Time The Following Data Was Collected From The Sunday Real Estate Section Of The Kno 1 (63.12 KiB) Viewed 33 times

OF Written Homework #8 Name: Class time: The following data was collected from the Sunday real estate section of the Knoxville News Sentinel. Several houses were randomly selected and I recorded their price, the number of bedrooms and the square footage of each home. The data is in the table below. SQUARE PRICE BEDROOMS FEET 1 152,300 3 2,080 2 173,700 3 1,690 3 180,500 3 2,280 4 196,600 2 1,870 5 203,000 4 1,520 6 142,000 5 2,000 7 179,400 2 2,390 8 178,400 3 2,180 9 224,100 4 1,560 10 216,100 2 1,900 11 135,800 3 1,980 12 191,200 4 2,070 13 190,000 4 2,510 14 199,500 4 1,620 15 177,300 2 1,420 16 235,400 2 1,920 17 123,100 4 1,640 18 226,600 3 2,130 19 124,000 5 1,780 20 180,300 2 2,480 21 198,800 4 2,000 X S 182,290 32,196 3.238 0.995 1,953 312 Do these problems on a separate sheet of paper!!!!!!!!! 1. Find a 90% confidence interval for the variance of prices of homes for sale in the Knoxville area. Do you need to assume home prices are normally distributed to use this interval? (These limits should be very large, can you explain why?) 2. Find a 95% confidence interval for the mean square footage of homes for sale in the Knoxville area. Do you need to assume the square footage is normally distributed to use this interval? 3. Find a 96% confidence interval for the percentage of homes for sale in the Knoxville area that have more than 3 bedrooms. Do you need to assume the number of bedrooms are normally distributed to use this interval?