Quant Flashcards
1
Q
What is the formula for a confidence interval
A
Xbar +- reliability factor x standard error ( sd / sqr n )
2
Q
What are the different confidence intervals
A
1.645 for 90%
1.960 for 95%
2.575 for 99%
What is the formula for a confidence interval
Xbar +- reliability factor x standard error ( sd / sqr n )
What are the different confidence intervals
1.645 for 90%
1.960 for 95%
2.575 for 99%