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6 Questions returned
No. & Date AskedQuestion
# 637 :: 2/22/09
Question 637 has been Answered
Hi Jeff thanks for all your help so far, your answers have been great and very timely. It is great to be able have help from someone with great profes. . .

Adjusted Wald, Confidence Intervals

# 399 :: 9/20/08
Question 399 has been Answered
When you calculate CIs for time on task, I notice that you use the critical value from the t-distribution (TINV(0.05, degrees_of_freedom)). But when y. . .

exact interval, Binomial Probability, TINV, Adjusted Wald, Wald Interval, Normal Approximation, Small Sample

# 247 :: 6/24/08
Question 247 has been Answered
Jeff: Can you possibly share the actual formula you are using in this application to produce the Adjusted Wald calculations? Thanks. . .

Adjusted Wald, Z-Score, Confidence Intervals

# 164 :: 4/23/08
Question 164 has been Answered
how to calculate one sided 95% confidence limits for a proportion.could you provide a formula . . .

Adjusted Wald, Confidence Intervals, One-Tailed Area

# 160 :: 4/21/08
Question 160 has been Answered
in a sample of 1000 tv vieweres 330 watched a particlar programme. find 99 pecent confidence limits for tv viewers who watched this programme. . .

Confidence Intervals, Adjusted Wald

# 152 :: 4/14/08
Question 152 has been Answered
If 350 respondents out of a random sample of 1,000 Americans reported that they did not trust their government, what is your estimation at a 99% confi. . .

Adjusted Wald, Confidence Intervals