A study on birth weight provided the following data (in ounces) in 12 newborns:
|
Country A
|
112
|
111
|
107
|
119
|
92
|
80
|
81
|
84
|
118
|
106
|
103
|
94
|
|
Country B
|
103
|
94
|
89
|
104
|
88
|
80
|
84
|
120
|
110
|
89
|
99
|
103
|
Determine a 95% confidence interval of population mean birth weight in the Country A. Interpret it.
Determine a 95% confidence interval of difference of population mean birth weight in the Country A and mean birth weight in the Country B.
Determine a 95% confidence interval of difference of population proportions to compare the proportion of birth weight over 100 oz between Country A and Country B.