Observation 1	husband's height (inches)	wife's height (inches)	husband's height - wife's height
1	71.220	62.598	8.622
2	72.480	61.417	11.063
3	65.315	63.780	1.535
4	70.039	60.630	9.409
5	63.622	55.906	7.717
6	66.732	65.354	1.378
7	68.110	63.386	4.724
8	69.016	64.370	4.646
9	68.504	62.205	6.299
10	66.339	63.386	2.953
11	68.307	62.598	5.709
12	67.441	63.386	4.055
13	68.346	66.929	1.417
14	67.520	59.921	7.598
15	70.827	66.142	4.685
16	70.276	66.142	4.134
17	69.213	64.173	5.039
18	68.071	61.811	6.260
19	67.717	67.717	0.000
20	71.260	68.504	2.756
21	67.913	62.992	4.921
22	69.449	66.496	2.953
23	66.260	62.992	3.268
24	62.402	61.024	1.378
25	66.299	60.630	5.669
26	65.906	64.567	1.339
27	67.874	64.567	3.307
28	64.173	64.173	0.000
29	73.031	61.417	11.614
30	70.709	65.039	5.669
31	66.929	62.205	4.724
32	69.488	61.811	7.677
33	66.929	62.598	4.331
34	67.756	64.961	2.795
35	71.772	62.638	9.134
36	72.008	65.748	6.260
37	67.323	62.992	4.331
38	68.701	63.386	5.315
39	66.850	63.386	3.465
40	72.953	65.748	7.205
41	63.386	59.449	3.937
42	66.142	59.843	6.299
43	71.220	63.780	7.441
44	62.205	60.236	1.969
45	62.992	57.126	5.866
46	62.402	61.811	0.591
47	67.126	62.205	4.921
48	65.945	62.598	3.346
49	68.307	65.748	2.559
50	66.378	64.173	2.205
51	69.606	59.449	10.157
52	67.756	61.417	6.339
53	69.055	65.354	3.701
54	68.465	63.386	5.079
55	66.890	56.693	10.197
56	71.850	61.811	10.039
57	68.504	65.748	2.756
58	67.087	64.370	2.717
59	67.677	65.748	1.929
60	68.150	68.110	0.039
61	66.102	61.417	4.685
62	69.094	62.598	6.496
63	67.441	62.992	4.449
64	67.835	58.661	9.173
65	70.197	65.354	4.843
66	62.402	59.213	3.189
67	68.858	62.205	6.654
68	67.323	59.055	8.268
69	67.874	64.567	3.307
70	63.780	64.961	-1.181
71	69.449	63.780	5.669
72	70.512	61.024	9.488
73	70.669	64.567	6.102
74	68.425	61.417	7.008
75	64.528	61.102	3.425
76	68.268	62.992	5.276
77	66.732	60.827	5.906
78	65.591	61.811	3.780
79	68.701	61.024	7.677
80	69.882	62.992	6.890
81	65.709	65.354	0.354
82	66.929	64.567	2.362
83	71.024	65.748	5.276
84	66.929	61.417	5.512
85	65.512	69.291	-3.780
86	69.016	64.567	4.449
87	70.394	62.992	7.402
88	69.488	61.850	7.638
89	66.142	61.024	5.118
90	67.520	61.811	5.709
91	69.094	62.598	6.496
92	69.449	64.961	4.488
93	70.591	66.535	4.055
94	68.150	62.205	5.945
95	67.441	62.598	4.843
96	67.913	59.449	8.465
97	71.969	62.992	8.976
98	68.307	65.354	2.953
99	69.291	66.929	2.362
100	66.339	60.236	6.102
101	66.339	58.661	7.677
102	61.378	62.205	-0.827
103	67.126	59.055	8.071
104	67.835	62.992	4.843
105	66.929	61.811	5.118
106	65.354	63.780	1.575
107	66.181	55.512	10.669
108	70.984	61.417	9.567
109	73.465	62.598	10.866
110	74.173	67.323	6.850
111	67.126	62.205	4.921
112	70.079	66.535	3.543
113	70.906	63.386	7.520
114	70.669	65.354	5.315
115	65.709	63.386	2.323
116	67.244	62.598	4.646
117	66.575	60.236	6.339
118	71.850	66.535	5.315
119	69.291	62.992	6.299
120	76.732	66.654	10.079
121	66.339	62.205	4.134
122	71.102	64.409	6.693
123	75.000	65.748	9.252
124	68.465	62.992	5.472
125	68.346	61.811	6.535
126	72.638	66.929	5.709
127	73.543	68.504	5.039
128	69.488	60.630	8.858
129	68.346	61.220	7.126
130	68.543	63.543	5.000
131	67.717	60.236	7.480
132	73.661	66.535	7.126
133	67.717	62.598	5.118
134	64.134	63.386	0.748
135	63.937	65.748	-1.811
136	65.079	66.535	-1.457
137	70.315	61.024	9.291
138	63.780	64.961	-1.181
139	66.732	60.630	6.102
140	65.906	65.354	0.551
141	73.386	63.780	9.606
142	64.685	64.173	0.512
143	67.126	63.386	3.740
144	68.346	60.630	7.717
145	66.575	63.386	3.189
146	69.016	64.173	4.843
147	66.142	60.236	5.906
148	67.874	59.843	8.031
149	67.323	60.787	6.535
150	64.488	61.811	2.677
151	67.913	62.205	5.709
152	67.913	61.024	6.890
153	64.173	61.811	2.362
154	71.260	59.882	11.378
155	69.843	62.205	7.638
156	69.724	64.173	5.551
157	71.457	64.961	6.496
158	62.008	64.567	-2.559
159	68.071	64.961	3.110
160	68.858	59.843	9.016
161	67.126	63.780	3.346
162	73.819	68.661	5.157
163	70.236	64.843	5.394
164	62.362	63.583	-1.220
165	69.843	66.142	3.701
166	65.276	65.748	-0.472
167	70.472	63.780	6.693
168	70.787	61.811	8.976
169	71.811	65.354	6.457
170	70.709	61.024	9.685
171	67.913	62.598	5.315
172	66.339	63.780	2.559
173	69.646	61.417	8.228
174	68.858	65.748	3.110
175	67.559	64.961	2.598
176	65.512	60.591	4.921
177	69.803	57.874	11.929
178	69.291	62.205	7.087
179	67.913	65.748	2.165
180	64.764	59.843	4.921
181	66.693	63.780	2.913
182	72.874	67.323	5.551
183	66.575	60.236	6.339
184	74.016	64.173	9.843
185	72.244	67.717	4.528
186	68.110	61.811	6.299
187	64.724	61.417	3.307
188	67.835	64.961	2.874
189	69.213	64.370	4.843
190	67.638	62.598	5.039
191	67.835	62.598	5.236
192	67.244	61.654	5.591
193	70.315	62.598	7.717
194	69.449	65.433	4.016
195	65.945	61.024	4.921
196	64.606	61.811	2.795
197	68.622	61.417	7.205
198	71.772	64.173	7.598
199	67.717	60.236	7.480

A researcher is studying the height difference between husbands and their wives. They would like to see if the difference in heights is comparable to the difference in average height between men and women of 5 inches).

The heights for husbands and wives (measured in inches) is given in the Excel sheet, including summary statistics

Fill in the blanks for the sentence below to give the correct interpretation of the difference: husband's height - wife's height.

1. A negative difference for husband's height - wife's heightindicates who is taller than whom?

2. Calculate the three parts of the 99.9% confidence interval that would be used to estimate the average of the differences.

Answer in the following format, giving each value to three decimal places:

estimate +/- (critical value) * (standard error)