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Tag Archives: t distribution
Limits of Confusion
A confidence interval is the numerical interval around the mean of a sample from a population that has a certain confidence of including the mean of the entire population. “Say what?” OK, let’s take it one point at a time. … Continue reading
Posted in Uncategorized
Tagged cats, jargon, number of samples, precision, statistics, stats with cats, t distribution, uncertainty, variability, variance
8 Comments
The Zen of Modeling
What’s the first thing you think of when you hear the word model? The plastic model airplanes you used to build? A fashion model? The model of the car you drive? The person who is your role model? But what … Continue reading
Posted in Uncategorized
Tagged cats, drivers, jargon, math, model, modeling, Normal distribution, population, probability, statistical analysis, statistics, stats with cats, t distribution, uncertainty, workload
16 Comments
30 Samples. Standard, Suggestion, or Superstition?
If you’ve ever taken any applied statistics courses in college, you may have been exposed to the mystique of 30 samples. Too many times I’ve heard statistician do-it-yourselfers tell me that “you need 30 samples for statistical significance.” Maybe that’s … Continue reading
Stats With Cats: What’s inside
Stats With Cats is a great companion to any introductory textbook in statistics. You won’t find a lot of equations or descriptions of the central limit theorem, probability, and hypothesis testing. You can find that information in traditional statistical texts. … Continue reading
Posted in Uncategorized
Tagged accuracy, cats, information, math, Normal distribution, polls, population, precision, sample size, samples, statistical analysis, statistical tests, statistics, stats with cats, surveys, t distribution, trend, uncertainty
1 Comment
Stats With Cats Blog 