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What would happen to the width of the confidence intervalif the sample size decreases?Explain. -The width of the confidence interval also increases.UsetheJ-Ville-Houseexcelfiletoanswerthefollowingquestions. Construct a 90%

  1. What would happen to the width of the confidence intervalif the sample size decreases?Explain. -The width of the confidence interval also increases.UsetheJ-Ville-Houseexcelfiletoanswerthefollowingquestions.
    1. Construct a 90% confidence intervalaround the population mean sqft variable. Report the margin of error and the upper andlowerbounds.
    2. Interpret the confidence intervalin the context of thequestion.

sale Sqft Year Age Ward
32500 1000 1920 99 ward1
10000 1719 1916 103 ward1
37000 1132 1920 99 ward1
44500 1252 1920 99 ward1
70000 1009 1895 124 ward1
70000 1003 1920 99 ward1
38357 1134 1930 89 ward1
36500 966 1920 99 ward1
3000 1078 1915 104 ward1
16500 1200 1966 53 ward1
25000 864 1955 64 ward1
69000 768 1930 89 ward1
45000 768 1930 89 ward1
24000 892 1944 75 ward1
5000 896 1940 79 ward1
34000 988 1930 89 ward1
18025 1240 1920 99 ward1
24380 1240 1920 99 ward1
12000 988 1969 50 ward1
32500 1024 1920 99 ward1
52000 1680 2006 13 ward1
66700 1200 1925 94 ward1
58000 918 1950 69 ward1
67500 832 1958 61 ward1
80959 832 1958 61 ward1
64000 768 1945 74 ward1
47000 1008 1995 24 ward1
58000 1008 1995 24 ward1
64000 1284 1935 84 ward1
28500 1284 1935 84 ward1
35000 862 1920 99 ward1
51500 862 1920 99 ward1
63500 1039 1930 89 ward1
62000 1039 1930 89 ward1
58000 826 1930 89 ward1
90000 1568 1996 23 ward1
77000 1449 1945 74 ward4
77500 1104 1950 69 ward4
87000 1104 1950 69 ward4
48000 1125 1915 104 ward1
47000 1336 1963 56 ward1
80000 1336 1963 56 ward1
46300 1308 1956 63 ward1
46300 1308 1956 63 ward1
60000 907 1957 62 ward4
64000 1064 1959 60 ward4
52000 1064 1959 60 ward4
80000 894 1955 64 ward4
51997 925 1955 64 ward4
67900 864 1940 79 ward4
85500 1248 1957 62 ward4
75000 1332 1965 54 ward4
78000 1322 1965 54 ward4
75200 994 1977 42 ward4
63500 1008 1940 79 ward4
65000 1134 1940 79 ward4
73096 1134 1940 79 ward4
41700 1134 1940 79 ward4
82375 1228 1946 73 ward4
40000 792 1956 63 ward4
80000 1196 1993 26 ward4
32000 950 1926 93 ward4
74900 900 1950 69 ward4
71000 1078 1925 94 ward4
75000 1078 1915 104 ward4
65000 980 1962 57 ward4
127500 1000 1920 99 ward4
92500 1270 1900 119 ward4
135000 1497 1900 119 ward4
134000 1497 1915 104 ward4
75000 1396 1920 99 ward4
70000 1396 1920 99 ward4
69900 1253 1956 63 ward4
90000 1360 1965 54 ward4
42000 926 1948 71 ward4
72000 1695 1935 84 ward4
54000 796 1952 67 ward4
45000 763 1920 99 ward4
56750 1176 1962 57 ward4
69500 1176 1962 57 ward4
86000 1176 1965 54 ward4
57000 1332 1920 99 ward4
6500 1075 1925 94 ward4
40000 976 1930 89 ward4
35000 1506 1900 119 ward4
67500 1060 1926 93 ward4
36000 1191 1900 119 ward4
39900 1719 1915 104 ward4
92000 1710 1915 104 ward4
63000 974 1962 57 ward4
89900 990 1955 64 ward4
69900 936 1964 55 ward4
39250 1170 1950 69 ward4
19942 974 1920 99 ward4
48500 896 1965 54 ward4
66500 896 1965 54 ward4
46800 780 1940 79 ward4
56564 780 1947 72 ward4
48000 780 1947 72 ward4
62000 780 1947 72 ward4
54000 952 1936 83 ward4
55500 952 1935 84 ward4
59000 1050 1957 62 ward4
49000 752 1955 64 ward4
44000 752 1955 64 ward4
73000 1041 1956 63 ward4
75000 1032 1956 63 ward4
20000 938 1900 119 ward1
110000 868 1930 89 ward3
110000 868 1930 89 ward3
112500 1436 1940 79 ward3
128500 840 1940 79 ward3
125500 840 1940 79 ward3
145000 840 1940 79 ward3
112000 1032 1935 84 ward3
85000 1221 1941 78 ward3
47125 1325 1940 79 ward3
75000 976 1942 77 ward3
120000 1088 1953 66 ward3
130000 1088 1953 66 ward3
114500 1188 1960 59 ward3
125000 1188 1960 59 ward3
67500 947 1920 99 ward3
78000 1052 1950 69 ward3
73000 1052 1950 69 ward3
70500 938 1941 78 ward3
109000 899 1925 94 ward3
94000 899 1925 94 ward3
86000 1260 1967 52 ward3
92000 1260 1967 52 ward3
78500 1140 1948 71 ward3
86000 1140 1948 71 ward3
84900 960 1947 72 ward3
72000 876 1949 70 ward3
80000 1155 1947 72 ward3
91500 1155 1947 72 ward3
60500 1384 1935 84 ward2
36000 1016 1925 94 ward2
57000 1016 1925 94 ward2
72000 1016 1925 94 ward2
57000 1058 1925 94 ward2
37000 1283 1928 91 ward2
42900 1353 1920 99 ward2
58000 1353 1920 99 ward2
67000 1353 1950 69 ward2
61000 990 1925 94 ward2
56500 1172 1935 84 ward2
61000 1216 1952 67 ward2
50750 1216 1952 67 ward2
83000 1139 1915 104 ward2
106634 1139 1915 104 ward2
28000 1139 1915 104 ward2
25000 1581 1910 109 ward2
72000 929 1910 109 ward2
82000 929 1950 69 ward2
40500 1456 1900 119 ward2
69000 1052 1935 84 ward2
32000 1084 1920 99 ward2
48500 1084 1925 94 ward2
54000 1084 1925 94 ward2
58000 2279 1900 119 ward2
52000 992 1924 95 ward2
75000 872 1940 79 ward2
44750 928 1920 99 ward2
38400 1172 1900 119 ward2
39000 837 1900 119 ward2
62000 1003 1900 119 ward2
10000 1050 1925 94 ward2
42000 955 1920 99 ward2
58500 1080 1936 83 ward2
13000 882 1900 119 ward2
40000 784 1925 94 ward2
32000 1046 1920 99 ward2
47000 955 1900 119 ward2
42800 1064 1930 89 ward2
43000 792 1925 94 ward2
79900 1547 1935 84 ward2
72000 1259 1971 48 ward2
70000 1556 1954 65 ward2
7500 1540 1915 104 ward2
85000 1230 1963 56 ward2
76000 813 1927 92 ward2
70000 1110 1920 99 ward2
67000 1110 1910 109 ward2
71200 1082 1920 99 ward2
18000 1120 1915 104 ward2
79900 1120 1915 104 ward2
44500 920 1915 104 ward2
52500 920 1915 104 ward2
78000 920 1915 104 ward2
57000 797 1920 99 ward2
74900 1120 1998 21 ward2
75000 1120 1998 21 ward2
37500 1036 1925 94 ward2
30000 1004 1915 104 ward2
37000 1428 1967 52 ward2
59000 1428 1967 52 ward2
105000 1192 1900 119 ward2
73005 1569 1900 119 ward2
30000 896 1930 89 ward2
69000 1574 1915 104 ward2
75900 798 1915 104 ward2
47000 920 1915 104 ward2
62000 884 1920 99 ward2
62000 926 1920 99 ward2
73000 926 1920 99 ward2
55000 896 1942 77 ward2
51955 936 1930 89 ward2
42500 816 1918 101 ward2
66000 816 1935 84 ward2
33000 936 1915 104 ward2
36000 896 1915 104 ward2
1000 1287 1915 104 ward2
11000 1096 1900 119 ward2
20000 1029 1915 104 ward2
3750 1134 1925 94 ward2
31716 1058 1915 104 ward2
27500 1574 1930 89 ward2
29000 1055 1918 101 ward2
30500 1104 1918 101 ward2
60000 792 1915 104 ward2
60000 942 1921 98 ward2
51500 1486 1923 96 ward2
57000 1486 1923 96 ward2
5000 1176 1915 104 ward2
20000 846 1920 99 ward2
45000 1060 1947 72 ward2
59900 1060 1947 72 ward2
69900 1080 1949 70 ward2
84000 930 1910 109 ward2
45000 932 1973 46 ward2
57500 932 1973 46 ward2
62000 953 1927 92 ward2
70500 953 1927 92 ward2
82000 832 1972 47 ward2
65000 988 1978 41 ward2
66500 988 1978 41 ward2
65500 1411 1900 119 ward2
86500 978 1994 25 ward2
48000 848 1928 91 ward2
46500 1024 1925 94 ward2
13381 1478 1890 129 ward2
56800 912 1971 48 ward4
51000 912 1971 48 ward4
71000 912 1971 48 ward4
72500 912 1971 48 ward4
72500 912 1971 48 ward4
58450 912 1971 48 ward4
53000 912 1971 48 ward4
46000 912 1971 48 ward4
60000 912 1971 48 ward4
61500 912 1971 48 ward4
54000 912 1971 48 ward4
53000 912 1971 48 ward4
61000 912 1971 48 ward4
55100 912 1971 48 ward4
69900 912 1967 52 ward4
68000 912 1971 48 ward4
50000 912 1971 48 ward4
71000 1128 1977 42 ward4
59000 1104 1972 47 ward4
68000 912 1971 48 ward4
70000 912 1971 48 ward4
62000 912 1971 48 ward4
51000 912 1974 45 ward4
65000 912 1972 47 ward4
74900 1248 1978 41 ward4
75260 1232 1977 42 ward4
75000 1232 1977 42 ward4
109900 1440 1989 30 ward4
45000 912 1971 48 ward4
48500 912 1971 48 ward4
107800 937 1969 50 ward4
73000 1448 1968 51 ward4
89900 960 1993 26 ward4
62500 936 1981 38 ward4
65900 936 1981 38 ward4
66000 988 1978 41 ward4
77500 988 1978 41 ward4
63500 912 1977 42 ward4
80000 912 1977 42 ward4
78000 896 1977 42 ward4
89000 912 1974 45 ward4
79000 960 1975 44 ward4
87500 960 1975 44 ward4
66000 912 1971 48 ward4
88750 1064 1977 42 ward4
64000 912 1972 47 ward4
74000 912 1970 49 ward4
48500 912 1969 50 ward4
59600 912 1968 51 ward4
50000 1032 1973 46 ward4
69500 1056 1971 48 ward4
67500 1056 1969 50 ward4
56000 952 1974 45 ward4
73500 936 1968 51 ward4
65000 912 1971 48 ward4
75500 912 1971 48 ward4
77500 1064 1968 51 ward4
81900 1192 1964 55 ward4
59900 1056 1971 48 ward4
62000 1056 1971 48 ward4
74000 1056 1971 48 ward4
84000 1076 1978 41 ward4
80150 1076 1978 41 ward4
67900 912 1978 41 ward4
54000 970 1969 50 ward4
151500 1364 1955 64 ward5
144000 1128 1958 61 ward5
78500 1334 1955 64 ward5
93000 1344 1955 64 ward5
89900 1314 1955 64 ward5
118500 1314 1955 64 ward5
129000 1314 1955 64 ward5
140000 994 1935 84 ward5
129000 1328 1992 27 ward5
156000 1906 1995 24 ward5
160000 1906 1995 24 ward5
171000 1906 1995 24 ward5
132000 1608 1998 21 ward5
237000 1300 2004 15 ward5
230000 1300 2004 15 ward5
166750 1840 1994 25 ward5
225000 1892 2005 14 ward5
157000 836 1997 22 ward5
115000 1699 1993 26 ward5
129900 1515 1992 27 ward5
38600 1515 1992 27 ward5
77200 1515 1992 27 ward5
259900 1200 2003 16 ward5
195500 2052 1991 28 ward5
35000 2401 2007 12 ward5
271000 2179 2009 10 ward5
219500 1266 2003 16 ward5
230000 1154 2003 16 ward5
120500 1538 1994 25 ward5
133500 1538 1994 25 ward5
131000 1538 1994 25 ward5
124000 1607 1994 25 ward5
165000 1994 1995 24 ward5
190000 1176 1994 25 ward5
226000 2266 1997 22 ward5
214000 1522 1997 22 ward5
61250 1920 1978 41 ward5
62500 1920 1978 41 ward5
104900 1488 1979 40 ward5
113000 1488 1979 40 ward5
176000 2404 1990 29 ward5
200000 2134 1989 30 ward5
180500 1745 1979 40 ward5
205000 1762 1983 36 ward5
155000 1467 1983 36 ward5
178000 1467 1985 34 ward5
185000 1152 1984 35 ward5
208500 840 1984 35 ward5
186000 1152 1984 35 ward5
199000 1152 1984 35 ward5
134900 1352 1976 43 ward5
94400 1020 1977 42 ward5
125000 1218 1977 42 ward5
150100 1060 1976 43 ward5
70000 1080 1930 89 ward5
45000 1348 1964 55 ward5
112500 1080 1999 20 ward5
120000 864 1977 42 ward5
128000 864 1977 42 ward5
114900 1444 1977 42 ward5
136000 1444 1977 42 ward5
130000 1107 1977 42 ward5
90000 1424 1976 43 ward5
142000 1208 1977 42 ward5
140000 1376 1978 41 ward5
195000 1152 1977 42 ward5
148000 2154 1983 36 ward5
240000 1482 1990 29 ward5
250000 1482 1990 29 ward5
125000 1400 1980 39 ward5
140000 1139 1978 41 ward5
160000 840 1978 41 ward5
157500 1139 1978 41 ward5
142000 1292 1977 42 ward4
145500 1292 1977 42 ward4
100000 1244 1977 42 ward4
140000 1441 1979 40 ward4
119900 1336 1978 41 ward4
114500 1376 1979 40 ward4
124000 1376 1979 40 ward4
155000 974 1981 38 ward4
191500 1612 1981 38 ward4
145000 1180 1978 41 ward4
159000 1168 1978 41 ward4
130000 1505 1978 41 ward4
136000 1505 1978 41 ward4
133000 1080 1978 41 ward4
135000 1740 1978 41 ward4
113500 1512 1978 41 ward4
115200 1456 1978 41 ward4
112000 1140 1978 41 ward4
119000 1140 1978 41 ward4
121000 1393 1978 41 ward4
173000 1816 1977 42 ward4
175000 1816 1977 42 ward4
226000 1816 1977 42 ward4
135000 1344 1990 29 ward4
83500 1095 1969 50 ward4
123900 1440 1971 48 ward4
110000 1232 1973 46 ward4
109900 1064 1971 48 ward4
146000 1632 1995 24 ward4
160000 1632 1995 24 ward4
133000 1422 1971 48 ward4
96900 1372 1973 46 ward4
159000 1589 1973 46 ward4
105000 1728 1970 49 ward4
125500 1728 1969 50 ward4
162500 1567 1972 47 ward4
157400 1567 1972 47 ward4
145000 1764 1968 51 ward4
132500 1372 1966 53 ward4
184900 1708 1969 50 ward4
136500 1412 1966 53 ward5
134000 2444 1968 51 ward5
155000 2444 1968 51 ward5
127000 1596 1967 52 ward5
168900 1596 1967 52 ward5
125000 1780 1967 52 ward5
105000 1536 1967 52 ward5
115500 1536 1967 52 ward5
155500 1536 1967 52 ward5
170000 1016 1966 53 ward5
222000 1561 2004 15 ward5
30500 889 1900 119 ward5
81500 1784 1969 50 ward5
91500 960 1968 51 ward5
89000 1296 1962 57 ward5
162397 1296 1962 57 ward5
55000 994 1900 119 ward5
115000 1739 1996 23 ward5
71000 924 1955 64 ward5

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