We want to compare the mean of the hospital stay by sex at this particular Pennsylvania...

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Statistics

We want to compare the mean of the hospital stay by sex at thisparticular Pennsylvania hospital. Letâ€™s assume that the data arenormally distributed and we are assuming that the SD for sexes areequal.Â Â Â Â So, is there a difference in the meanhospital stay in Pennsylvania hospital bygender?Â Â Â Â (Please include SPSS outputhere)
State the null and alternativehypotheses.Â Â Â
What is your test statistics and why?Â Â (nocalculation needed)
What were your test statistics results? What is yourconclusion?
Id
Dur_stay
Age
Sex
Temp
WBC
Antibio
Bact_cul
Service
1
5
30
2
99
8
2
2
1
2
10
73
2
98
5
2
1
1
3
6
40
2
99
12
2
2
2
4
11
47
2
98.2
4
2
2
2
5
5
25
2
98.5
11
2
2
2
6
14
82
1
96.8
6
1
2
2
7
30
60
1
99.5
8
1
1
1
8
11
56
2
98.6
7
2
2
1
9
17
43
2
98
7
2
2
1
10
3
50
1
98
12
2
1
2
11
9
59
2
97.6
7
2
1
1
12
3
4
1
97.8
3
2
2
2
13
8
22
2
99.5
11
1
2
2
14
8
33
2
98.4
14
1
1
2
15
5
20
2
98.4
11
2
1
2
16
5
32
1
99
9
2
2
2
17
7
36
1
99.2
6
1
2
2
18
4
69
1
98
6
2
2
2
19
3
47
1
97
5
1
2
1
20
7
22
1
98.2
6
2
2
2
21
9
11
1
98.2
10
2
2
2
22
11
19
1
98.6
14
1
2
2
23
11
67
2
97.6
4
2
2
1
24
9
43
2
98.6
5
2
2
2
25
4
41
2
98
5
2
2
1
Please note: the table below might not be needed;however, these are my calculations for Mean and SD forsexes.
Status
n
(sample size)
Mean
(Duration of Days in hospital)
Standard Deviations (s)
Male
11
8.73
7.913
Female
14
8.50
3.481

Answer & Explanation Solved by verified expert

3.7 Ratings (678 Votes)

H0 Null Hypothesis HA Alternative Hypothesis where Sample 1 refers to hospital stay by males and Sample 2refers to hospital stay by females2 Sample t testREASON Population SD is not provided The Sample Size is small 30Test See Answer

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Id	Dur_stay	Age	Sex	Temp	WBC	Antibio	Bact_cul	Service
1	5	30	2	99	8	2	2	1
2	10	73	2	98	5	2	1	1
3	6	40	2	99	12	2	2	2
4	11	47	2	98.2	4	2	2	2
5	5	25	2	98.5	11	2	2	2
6	14	82	1	96.8	6	1	2	2
7	30	60	1	99.5	8	1	1	1
8	11	56	2	98.6	7	2	2	1
9	17	43	2	98	7	2	2	1
10	3	50	1	98	12	2	1	2
11	9	59	2	97.6	7	2	1	1
12	3	4	1	97.8	3	2	2	2
13	8	22	2	99.5	11	1	2	2
14	8	33	2	98.4	14	1	1	2
15	5	20	2	98.4	11	2	1	2
16	5	32	1	99	9	2	2	2
17	7	36	1	99.2	6	1	2	2
18	4	69	1	98	6	2	2	2
19	3	47	1	97	5	1	2	1
20	7	22	1	98.2	6	2	2	2
21	9	11	1	98.2	10	2	2	2
22	11	19	1	98.6	14	1	2	2
23	11	67	2	97.6	4	2	2	1
24	9	43	2	98.6	5	2	2	2
25	4	41	2	98	5	2	2	1