In: Statistics and Probability
10.11 Use the same information provided to construct the required confidence interval for the difference between the two population means
a) a 90% confidence interval
Sample1 | Sample 2 |
x1= 105 | x2= 97 |
x21= 131 | s22= 112 |
n1= 13 | n2= 16 |
b) a 95% confidence interval
Sample1 | Sample 2 |
x1= 131 | x2= 97 |
x21= 950 | s22= 1050 |
n1= 102 | n2= 133 |