Posted by Anonymous on Thursday, October 11, 2012 at 9:46am.
Formula for 95% confidence interval using a z-table:
CI95 = mean ± 1.96(sd/√n)
I hope this will help.
Related Questions
Statistics - 7. Give and interpret the 95% confidence interval for the hours of ...
statistics - Give and interpret the 95% confidence interval for the hours of ...
statistics -  Variable N Mean StDev SE Mean 95% CI  ...
Statistics - Compare the 95% and 99% confidence intervals for the hours of sleep...
Statistics - Compare the 95% and 99% confidence intervals for the hours of sleep...
statistics - Compare the 95%(6.214,7.686) and 99% 95.944,7.956)confidence ...
statistics - Compare the 95%(6.214,7.686) and 99% 95.944,7.956)confidence ...
Elementary Statistics - Compare the 95% and 99% confidence intervals for the ...
Statistics - Which of the following statements correctly interprets a 95% ...
Statistics - Which of the following statements best describes the uncertainty ...
For Further Reading