Hypothesis Testing for Differences between Groups

cfassessment2dataset1.xlsx

Sheet1

clinic1	clinic2	F-Test Two-Sample for Variances
140	169
126	151		Clinic 1	Clinic 2
30	175	Mean	124.32	145.03
130	115	Variance	2188.543030303	1582.5142424242
193	167	Observations	100	100
137	153	df	99	99
168	115	F	1.3829531335
99	194	P(F<=f) one-tail	0.05420092
135	216	F Critical one-tail	1.3940612573
184	149
118	122
109	155	t-Test: Two-Sample Assuming Equal Variances
93	185
136	150		Clinic 1	Clinic 2
102	141	Mean	124.32	145.03
24	135	Variance	2188.543030303	1582.5142424242
99	87	Observations	100	100
104	42	Pooled Variance	1885.5286363636
134	96	Hypothesized Mean Difference	0
80	111	df	198
30	234	t Stat	-3.3724734143
44	158	P(T<=t) one-tail	0.0004479683
156	130	t Critical one-tail	1.6525857836
150	148	P(T<=t) two-tail	0.0008959366
150	105	t Critical two-tail	1.9720174778
95	108
51	114
205	113	t-Test: Two-Sample Assuming Unequal Variances
30	131
92	114		Clinic 1	Clinic 2
173	61	Mean	124.32	145.03
49	175	Variance	2188.543030303	1582.5142424242
137	135	Observations	100	100
27	198	Hypothesized Mean Difference	0
150	149	df	193
182	92	t Stat	-3.3724734143
184	127	P(T<=t) one-tail	0.0004500372
152	170	t Critical one-tail	1.6527870682
147	167	P(T<=t) two-tail	0.0009000743
76	175	t Critical two-tail	1.9723316758
161	263
143	138
127	161
166	166
139	88
92	152
145	136
176	121
186	174
48	90
92	179
69	171
168	85
27	134
157	123
83	134
139	64
132	153
85	106
97	192
125	115
145	150
129	151
157	166
183	105
50	159
185	160
149	52
157	167
185	103
127	178
110	174
66	80
141	128
125	172
111	154
150	170
162	152
94	95
138	111
162	144
134	136
83	191
157	193
134	144
137	168
76	94
115	126
51	208
150	136
25	201
137	171
148	148
207	214
189	111
104	204
197	189
131	159
151	188
202	174
12432	14503