Question

In: Statistics and Probability

Health researchers believe that the neonatal mortality rate is higher at home (MRH) than that in...

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 Ass_2Q2.sav.

  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.

Neonatal -mortality

group

9

3

4

7

6

6

3

7

10

6

7

8

9

6

9

3

9

4

7

6

2

0

8

5

4

3

0

2

1

4

4

6

3

1

2

2

3

3

1

4

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

Solutions

Expert Solution

using SPSS>Analyse>compare means

we have

  1. since p value of test stat t = 0.00 which is less than 0.05 so we can conclude that the neonatal mortality rate is higher at home (MRH) than that in the health centers (MRC).
  2. 95% confidence interval to investigate the researchers’ belief is (2.20898 , 4.89102) . we are 95% confident that the population mean difference of MRH and MRC lies in between (2.20898 , 4.89102)
  3. since both the boxplots are approximately distributed so we can say that assumption are met

orchestra answered 1 year ago
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