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lihui lihui
wrote...
Posts: 487
4 years ago
Use the data shown below to answer the following question(s).

The table below is the data set of the Shiller Real Home Price Index for the years 1985-2000.

YearPrice Index
1985107.7450408
1986111.1730909
1987118.9245131
1988122.8489601
1989127.5113167
1990126.4770851
1991116.3061973
1992114.7016125
1993111.3212039
1994111.4965192
1995110.2706524
1996109.924555
1997109.6386511
1998113.0744612
1999119.4819042
2000126.2995915


Setting k = 3, determine the value of the mean absolute deviation.
Textbook 
Statistics, Data Analysis, and Decision Modeling

Statistics, Data Analysis, and Decision Modeling


Edition: 5th
Author:
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whoohoo8whoohoo8
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Posts: 386
4 years ago
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wrote...
4 years ago
Use the data shown below to answer the following question(s).

The table below is the data set of the Shiller Real Home Price Index for the years 1985-2000.

YearPrice Index
1985107.7450408
1986111.1730909
1987118.9245131
1988122.8489601
1989127.5113167
1990126.4770851
1991116.3061973
1992114.7016125
1993111.3212039
1994111.4965192
1995110.2706524
1996109.924555
1997109.6386511
1998113.0744612
1999119.4819042
2000126.2995915


Setting k = 3, determine the value of the mean square of errors.
wrote...
4 years ago
YearXPrice IndexFtAt - Ft|At - Ft|(At - Ft)2
19851107.7450408
19862111.1730909
19873118.9245131
19884122.8489601112.61421510.23474510.234745104.750009
19895127.5113167117.6488559.8624629.86246297.268157
19906126.4770851123.094933.3821553.38215511.438973
19917116.3061973125.612454-9.3062579.30625786.606413
19928114.7016125123.431533-8.7299218.72992176.211513
19939111.3212039119.161632-7.8404287.84042861.472307
199410111.4965192114.109671-2.6131522.6131526.828564
199511110.2706524112.506445-2.2357932.2357934.998769
199612109.924555111.029459-1.1049031.1049031.220812
199713109.6386511110.563909-0.9252580.9252580.856102
199814113.0744612109.9446203.1298423.1298429.795909
199915119.4819042110.8792228.6026828.60268274.006134
200016126.2995915114.06500612.23458612.234586149.685095

MSE = = = 52.70
The value of the mean square of errors is 52.70.
wrote...
4 years ago
Use the data shown below to answer the following question(s).

The table below is the data set of the Shiller Real Home Price Index for the years 1985-2000.

YearPrice Index
1985107.7450408
1986111.1730909
1987118.9245131
1988122.8489601
1989127.5113167
1990126.4770851
1991116.3061973
1992114.7016125
1993111.3212039
1994111.4965192
1995110.2706524
1996109.924555
1997109.6386511
1998113.0744612
1999119.4819042
2000126.2995915


Setting k = 3, determine the value of the mean absolute percentage of error.
wrote...
4 years ago
YearXPrice IndexFtAt - Ft| At - Ft |(At - Ft)2|At - Ft/At|
19851107.7450408
19862111.1730909
19873118.9245131
19884122.8489601112.61421510.23474510.234745104.7500090.083312
19895127.5113167117.6488559.8624629.86246297.2681570.077346
19906126.4770851123.094933.3821553.38215511.4389730.026741
19917116.3061973125.612454-9.3062579.30625786.6064130.080015
19928114.7016125123.431533-8.7299218.72992176.2115130.07611
19939111.3212039119.161632-7.8404287.84042861.4723070.070431
199410111.4965192114.109671-2.6131522.6131526.8285640.023437
199511110.2706524112.506445-2.2357932.2357934.9987690.020276
199612109.924555111.029459-1.1049031.1049031.2208120.010051
199713109.6386511110.563909-0.9252580.9252580.8561020.008439
199814113.0744612109.9446203.1298423.1298429.7959090.027679
199915119.4819042110.8792228.6026828.60268274.0061340.072
200016126.2995915114.06500612.23458612.234586149.6850950.09687

MAPE = × 100 = × 100 = 5.17
The value of the mean absolute percentage of error is 5.17.
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