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Category > Computer Science Posted 19 Sep 2017 My Price 7.00

Cost of Living Index

Economics: Cost of Living Index In the following data pairs, A represents the cost of living index for utilities and B represents the cost of living index for transportation. The data are paired by metropolitan areas in the United States. A random sample of 46 metropolitan areas gave the following information

A:	90	84	85	106	83	101	89	125	105
B:	100	91	103	103	109	109	94	114	113

A:	118	133	104	84	80	77	90	92	90
B:	120	130	117	109	107	104	104	113	101

A:	106	95	110	112	105	93	119	99	109
B:	96	109	103	107	103	102	101	86	94

A:	109	113	90	121	120	85	91	91	97
B:	88	100	104	119	116	104	121	108	86

A:	95	115	99	86	88	106	80	108	90	87
B:	100	83	88	103	94	125	115	100	96	127

i. Let d be the random variable d = A - B. Use a calculator to verify that and s_d≈ 15.910.

ii. Do the data indicate that the U.S. population mean cost of living index for utilities is less than that for transportation in these areas? Use a = 0.05.

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Status NEW Posted 19 Sep 2017 10:09 AM My Price 7.00

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