Pages
Archives
-
Recent Posts
Categories
- 5-number summary
- 68-95-99.7 Rule
- Alternative Hypothesis
- American roulette
- Bar Graph
- Benford's Law
- Bill Gates
- Binomial Coefficient
- Binomial distribution
- Binomial Experiment
- Birthday Problem
- Blaise Pascal
- Chevalier de Mere
- Chi-square goodness of fit
- Chi-square statistic
- Chi-square test
- Completely Randomized Experimental Design
- Conditional distribution
- Confidence Interval
- Confounding
- Correlation
- Critical Value
- Descriptive statistics
- Diabetes
- Door-to-Balloon Time
- Double blind
- Empirical Rule
- Expected value
- Experiments
- First Quartile
- Gambling
- Games of chance
- Games of dice
- Histogram
- Interquartile Range
- Introduction to statistics
- Introductory statistics
- Joint distribution
- Least-Squares Regression
- Lurking variables
- Marginal distribution
- Matched Pairs t-test
- Mean
- Median
- Normal Curve
- Normal Distribution
- Null Hypothesis
- Observational studies
- One-Sample t-Procedures
- One-Sample t-test
- p-value
- Paul Allen
- Percentile
- Placebo
- Probability
- Randomized Experiments
- Reasoning of Statistical Inference
- Regression Line
- Residual Plot
- Residuals
- Resistant numerical summary
- Sampling Distribution
- Scatterplot
- Standard Deviation
- Statistical Inference
- Statistics In Action
- Stemplot
- t-test
- Tests of Significance
- The law of large numbers
- Third Quartile
- Time Plot
- Two-way tables
- Uniform Distribution
- Warren Buffet
Tag Archives: Third Quartile
Looking at Spread
In the previous post Two Statisticians in a Battlefield, we discussed the importance of reporting a spread in addition to an average when describing data. In this post we look at three specific notions of spread. They are measures that … Continue reading
Comparing Growth Charts
Suppose both an 8-year old boy and a 10-year old boy are 54 inches tall (four feet six inches). Physically they are of the same heights. But a better way to compare is to find out where each boy stands … Continue reading
When Bill Gates Walks into a Bar
The mean of a data set is obtained by summing the data elements in the data set and divided by the total number of data elements (what most people think of as average). The median of a data set is … Continue reading