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4 Questions returned
No. & Date AskedQuestion
# 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

# 362 :: 9/1/08
Question 362 has been Answered
Popcorn kernels take between 100 and 200 seconds to pop. What sample size (number of kernels) would be needed to estimate the true mean seconds to pop. . .

Small Sample, Sample Size, Margin of Error, Confidence Intervals

# 145 :: 4/8/08
Question 145 has been Answered
Will the t statistics calculated from 4 observations valid?. . .

t-statistic, t-distribution, Small Sample

# 124 :: 3/20/08
Question 124 has been Answered
What constitutes a small sample size in a test of two populations? . . .

t-distribution, Z-Statistic, Small Sample