· A study on birth weight provided the following data (in ounces) in 12 newborns:
· 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.