Hello, this is a Applied Statistics question. If you can please help answer question #$1$using the given information and the region I selected. Thank you!

Region $,$State, County, Listing Price, $$\text{'}$s per square foot, Square Feet

Mountain, az$,$ cochise, $381,000,$ $$189,2,018$

Mountain az coconino $332,300$ $$2331,428$

Mountain az gila $312,000$ $$2051,525$

Mountain az maricopa $352,700$ $$1582,237$

Mountain az mohave $471,000$ $$2252,097$

Mountain az navajo $358,200$ $$2221,611$

Mountain az pima $359,300$ $$2031,768$

Mountain az pinal $314,800$ $$2231,413$

Mountain az yavapai $319,000$ $$1402,280$

Mountain az yuma $363,000$ $$1572,311$

Mountain co adams $365,600$ $$2201,661$

Mountain co arapahoe $257,500$ $$1701,513$

Mountain co boulder $295,300$ $$2071,424$

Mountain co broomfield $292,800$ $$1462,005$

Mountain co denver $336,400$ $$1811,859$

Mountain co douglas $387,000$ $$1622,383$

Mountain co eagle $361,600$ $$1782,035$

Mountain co el paso $270,500$ $$1581,713$

Mountain co garfield $364,900$ $$1672,186$

Mountain co jefferson $354,800$ $$1562,274$

Mountain co la plata $434,700$ $$2022,151$

Mountain co larimer $348,400$ $$1831,904$

Mountain co mesa $300,700$ $$1681,792$

Mountain co pueblo $305,700$ $$1671,830$

Mountain co weld $382,600$ $$1782,151$

Mountain id ada $402,600$ $$1742,309$

Mountain id bannock $317,800$ $$2271,403$

Mountain id bonneville $412,100$ $$1842,245$

Mountain id canyon $295,600$ $$1551,903$

Mountain id kootenai $308,700$ $$1841,675$

Mountain id twin falls $319,000$ $$1691,892$

Mountain mt cascade $296,000$ $$1262,341$

Mountain mt flathead $309,300$ $$1551,998$

Mountain mt gallatin $390,200$ $$2031,924$

Mountain mt lewis and clark $287,300$ $$1871,533$

Mountain mt missoula $370,300$ $$1772,091$

Mountain mt yellowstone $326,000$ $$1981,643$

Mountain nm bernalillo $378,000$ $$1961,926$

Mountain nm chaves $390,200$ $$2041,915$

Mountain nm curry $307,900$ $$1581,953$

Mountain nm dona ana $319,400$ $$1482,160$

Mountain nm eddy $383,900$ $$1852,071$

Mountain nm lea $394,500$ $$1862,125$

Mountain nm mckinley $386,500$ $$1692,290$

Mountain nm otero $468,500$ $$2112,220$

Mountain nm san juan $332,500$ $$1741,911$

Mountain nm sandoval $434,600$ $$1902,283$

Mountain nm santa fe $381,200$ $$1712,223$

Mountain nm valencia $298,100$ $$2081,430$

Mountain nv carson city $396,700$ $$2051,936$

Mountain nv clark $274,100$ $$1931,419$

Mountain nv douglas $414,000$ $$1742,375$

Mountain nv elko $365,300$ $$1802,032$

Mountain nv lyon $355,700$ $$2061,725$

Mountain nv washoe $357,500$ $$1532,336$

Mountain ut cache $278,900$ $$1851,509$

Mountain ut davis $486,700$ $$2072,351$

Mountain ut salt lake $304,300$ $$1851,645$

Mountain ut tooele $311,300$ $$1991,568$

Mountain ut utah $343,900$ $$2201,564$

Mountain ut washington $370,500$ $$2091,770$

Mountain ut weber $354,600$ $$1881,890$

Mountain wy laramie $292,500$ $$2021,448$

Mountain wy natrona $334,700$ $$1422,356$

Mountain co mesa $308,200$ $$1631,890$

Mountain co pueblo $225,200$ $$1541,462$

Mountain co weld $299,200$ $$2121,412$

Mountain id ada $315,500$ $$1422,222$

Mountain id bannock $367,600$ $$2061,781$

Mountain id bonneville $328,300$ $$2181,503$

Mountain id canyon $279,800$ $$1781,572$

Mountain id kootenai $351,300$ $$2291,536$

Mountain id twin falls $415,500$ $$1772,349$

Mountain mt cascade $309,800$ $$1941,598$

Mountain mt flathead $336,000$ $$1851,813$

Mountain mt gallatin $351,100$ $$1582,225$

Mountain mt lewis and clark $299,500$ $$1761,702$

Mountain mt missoula $355,600$ $$1871,901$

Mountain mt yellowstone $311,200$ $$1991,564$

Mountain az maricopa $389,700$ $$1722,270$

Mountain az mohave $342,100$ $$2191,561$

Mountain az navajo $339,000$ $$1771,916$

Mountain az pima $393,900$ $$2251,751$

Mountain az pinal $336,000$ $$1961,717$

Mountain az yavapai $389,700$ $$1692,300$

Mountain mt gallatin