A study was undertaken in a hospital to compare the performance of a new surveillance method to the standard method in the ability to detect patients who develop an infection after a caesarean section. Individual record data from this study is provided in the file called surveillence.dta.The dataset contains the following variables:ID: Patient identification number new:Assessment of cases by the new surveillance method (1=Positive, 2=Negative) standard:Assessment of cases by the standard method (1=Positive, 2=Negative)IDnewstandard1negativenegative2negativenegative3negativenegative4negativenegative5negativenegative6negativenegative7negativenegative8negativenegative9negativenegative10negativenegative11negativenegative12negativenegative13negativenegative14negativenegative15negativenegative16negativenegative17negativenegative18negativenegative19negativenegative20negativenegative21negativenegative22negativenegative23negativenegative24negativenegative25negativenegative26negativenegative27negativenegative28negativenegative29negativenegative30negativenegative31negativenegative32negativenegative33negativenegative34negativenegative35negativenegative36negativenegative37negativenegative38negativenegative39negativenegative40negativenegative41negativenegative42negativenegative43negativenegative44negativenegative45negativenegative46negativenegative47negativenegative48negativenegative49negativenegative50negativenegative51negativenegative52negativenegative53negativenegative54negativenegative55negativenegative56negativenegative57negativenegative58negativenegative59negativenegative60negativenegative61negativenegative62negativenegative63negativenegative64negativenegative65negativenegative66negativenegative67negativenegative68negativenegative69negativenegative70negativenegative71negativenegative72negativenegative73negativenegative74negativenegative75negativenegative76negativenegative77negativenegative78negativenegative79negativenegative80negativenegative81negativenegative82negativenegative83negativenegative84negativenegative85negativenegative86negativenegative87negativenegative88negativenegative89negativenegative90negativenegative91negativenegative92negativenegative93negativenegative94negativenegative95negativenegative96negativenegative97negativenegative98negativenegative99negativenegative100negativenegative101negativenegative102negativenegative103negativenegative104negativenegative105negativenegative106negativenegative107negativenegative108negativenegative109negativenegative110negativenegative111negativenegative112negativenegative113negativenegative114negativenegative115negativenegative116negativenegative117negativenegative118negativenegative119negativenegative120negativenegative121negativenegative122negativenegative123negativenegative124negativenegative125negativenegative126negativenegative127negativenegative128negativenegative129negativenegative130negativenegative131negativenegative132negativenegative133negativenegative134negativenegative135negativenegative136negativenegative137negativenegative138negativenegative139negativenegative140negativenegative141negativenegative142negativenegative143negativenegative144negativenegative145negativenegative146negativenegative147negativenegative148negativenegative149negativenegative150negativenegative151negativenegative152negativenegative153negativenegative154negativenegative155negativenegative156negativenegative157negativenegative158negativenegative159negativenegative160negativenegative161negativenegative162negativenegative163negativenegative164negativenegative165negativenegative166negativenegative167negativenegative168negativenegative169negativenegative170negativenegative171negativenegative172negativenegative173negativenegative174negativenegative175negativenegative176negativenegative177negativenegative178negativenegative179negativenegative180negativenegative181negativenegative182negativenegative183negativenegative184negativenegative185negativenegative186negativenegative187negativenegative188negativenegative189negativenegative190negativenegative191negativenegative192negativenegative193negativenegative194negativenegative195negativenegative196positivepositive197positivepositive198positivepositive199positivenegative200positivenegative201positivenegative202positivenegative203negativepositivea) State the null hypothesis and alternative hypothesis for this study. b) Construct a 2 × 2 table to report the data provided. c) conduct a test to test your null hypothesis.d) Copy and paste the test into your assignment. Why is this test appropriate?e) Write a brief conclusion summarising your results.

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A study was undertaken in a hospital to compare the performance of a new surveillance method to the standard method in the ability to detect patients who develop an infection after a caesarean section. Individual record data from this study is provided in the file called surveillence.dta.

The dataset contains the following variables:

ID: Patient identification number new:

Assessment of cases by the new surveillance method (1=Positive, 2=Negative) standard:

Assessment of cases by the standard method (1=Positive, 2=Negative)

ID	new	standard
1	negative	negative
2	negative	negative
3	negative	negative
4	negative	negative
5	negative	negative
6	negative	negative
7	negative	negative
8	negative	negative
9	negative	negative
10	negative	negative
11	negative	negative
12	negative	negative
13	negative	negative
14	negative	negative
15	negative	negative
16	negative	negative
17	negative	negative
18	negative	negative
19	negative	negative
20	negative	negative
21	negative	negative
22	negative	negative
23	negative	negative
24	negative	negative
25	negative	negative
26	negative	negative
27	negative	negative
28	negative	negative
29	negative	negative
30	negative	negative
31	negative	negative
32	negative	negative
33	negative	negative
34	negative	negative
35	negative	negative
36	negative	negative
37	negative	negative
38	negative	negative
39	negative	negative
40	negative	negative
41	negative	negative
42	negative	negative
43	negative	negative
44	negative	negative
45	negative	negative
46	negative	negative
47	negative	negative
48	negative	negative
49	negative	negative
50	negative	negative
51	negative	negative
52	negative	negative
53	negative	negative
54	negative	negative
55	negative	negative
56	negative	negative
57	negative	negative
58	negative	negative
59	negative	negative
60	negative	negative
61	negative	negative
62	negative	negative
63	negative	negative
64	negative	negative
65	negative	negative
66	negative	negative
67	negative	negative
68	negative	negative
69	negative	negative
70	negative	negative
71	negative	negative
72	negative	negative
73	negative	negative
74	negative	negative
75	negative	negative
76	negative	negative
77	negative	negative
78	negative	negative
79	negative	negative
80	negative	negative
81	negative	negative
82	negative	negative
83	negative	negative
84	negative	negative
85	negative	negative
86	negative	negative
87	negative	negative
88	negative	negative
89	negative	negative
90	negative	negative
91	negative	negative
92	negative	negative
93	negative	negative
94	negative	negative
95	negative	negative
96	negative	negative
97	negative	negative
98	negative	negative
99	negative	negative
100	negative	negative
101	negative	negative
102	negative	negative
103	negative	negative
104	negative	negative
105	negative	negative
106	negative	negative
107	negative	negative
108	negative	negative
109	negative	negative
110	negative	negative
111	negative	negative
112	negative	negative
113	negative	negative
114	negative	negative
115	negative	negative
116	negative	negative
117	negative	negative
118	negative	negative
119	negative	negative
120	negative	negative
121	negative	negative
122	negative	negative
123	negative	negative
124	negative	negative
125	negative	negative
126	negative	negative
127	negative	negative
128	negative	negative
129	negative	negative
130	negative	negative
131	negative	negative
132	negative	negative
133	negative	negative
134	negative	negative
135	negative	negative
136	negative	negative
137	negative	negative
138	negative	negative
139	negative	negative
140	negative	negative
141	negative	negative
142	negative	negative
143	negative	negative
144	negative	negative
145	negative	negative
146	negative	negative
147	negative	negative
148	negative	negative
149	negative	negative
150	negative	negative
151	negative	negative
152	negative	negative
153	negative	negative
154	negative	negative
155	negative	negative
156	negative	negative
157	negative	negative
158	negative	negative
159	negative	negative
160	negative	negative
161	negative	negative
162	negative	negative
163	negative	negative
164	negative	negative
165	negative	negative
166	negative	negative
167	negative	negative
168	negative	negative
169	negative	negative
170	negative	negative
171	negative	negative
172	negative	negative
173	negative	negative
174	negative	negative
175	negative	negative
176	negative	negative
177	negative	negative
178	negative	negative
179	negative	negative
180	negative	negative
181	negative	negative
182	negative	negative
183	negative	negative
184	negative	negative
185	negative	negative
186	negative	negative
187	negative	negative
188	negative	negative
189	negative	negative
190	negative	negative
191	negative	negative
192	negative	negative
193	negative	negative
194	negative	negative
195	negative	negative
196	positive	positive
197	positive	positive
198	positive	positive
199	positive	negative
200	positive	negative
201	positive	negative
202	positive	negative
203	negative	positive

a) State the null hypothesis and alternative hypothesis for this study.

b) Construct a 2 × 2 table to report the data provided.

c) conduct a test to test your null hypothesis.

d) Copy and paste the test into your assignment. Why is this test appropriate?

e) Write a brief conclusion summarising your results.

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