Question

In: Statistics and Probability

Problem 2: [5 pts.] Health researchers believe that the neonatal mortality rate is higher at home...

Problem 2: [5 pts.] Health researchers believe that the neonatal mortality rate is higher at home (MRH) than that in the health centers (MRC). The neonatal mortality rates (both MRH and MRC) for 20 countries are recorded in SSPS file .

  1. Do the data support researchers’ beliefs? Use α=0.05.
  2. Find a 95% confidence interval to investigate the researchers’ belief and explain its meaning.
  3. Check the assumptions of the above procedure.

Data for this Question.
Please mentioned the steps in the SPSS

NMRH NMRC MORT Group

15.90
31.00
17.00
11.50
28.00
26.30
22.30
20.40
11.20
21.20
41.10
18.20
33.00
16.00
26.00
14.30
17.00
9.20
30.40
11.00

12.90
26.20
14.00
8.50
25.30
23.30
21.10
17.40
8.80
18.20
38.10
15.20
25.00
13.00
23.00
11.30
11.00
6.20
27.40
7.50

 15.900000
31.000000
17.000000
11.500000
28.000000
26.300000
22.300000
20.400000
11.200000
21.200000
41.100000
18.200000
33.000000
16.000000
26.000000
14.300000
17.000000
9.200000
30.400000
11.000000
12.900000
26.200000
14.000000
8.500000
25.300000
23.300000
21.100000
17.400000
8.800000
18.200000
38.100000
15.200000
25.000000
13.000000
23.000000
11.300000
11.000000
6.200000
27.400000
7.500000		 NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRH
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC
NMRC

Solutions

Expert Solution

For this we use t test for two sample test since sample size n=20 which is less than 29 (small two sample test is used).

Below is the output of SPSS of t-test for two sample

Based on alpha =0.05 , we got p value =0.169 > .05 we accept Ho

Ho (Null Hypothesis) : The neonatal mortality rate is less  at home (MRH) than that in the health centers (MRC).

v/s H1 : (Alternative Hypothesis): The neonatal mortality rate is higher  at home (MRH) than that in the health centers (MRC).

There we conclude that The neonatal mortality rate is less  at home (MRH) than that in the health centers (MRC) at alpha = 5% level of confidence.

orchestra answered 1 year ago
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