Pages
Archives

Recent Posts
Categories
 5number summary Alternative Hypothesis American roulette Bar Graph Benford's Law Bill Gates Binomial Coefficient Binomial distribution Binomial Experiment Birthday Problem Blaise Pascal Chevalier de Mere Chisquare goodness of fit Chisquare statistic Chisquare test Completely Randomized Experimental Design Conditional distribution Confidence Interval Confounding Correlation Critical Value Cryptography Descriptive statistics Diabetes DoortoBalloon Time Double blind Empirical Rule Expected value Experiments First Quartile Gambling Games of dice Histogram Interquartile Range Introduction to statistics Introductory statistics Joint distribution LeastSquares Regression Lurking variables Marginal distribution Matched Pairs ttest Mean Median Normal Curve Normal Distribution Null Hypothesis Observational studies OneSample tProcedures OneSample ttest pvalue 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 Survey ttest Tests of Significance The law of large numbers Third Quartile Time Plot Twoway tables Uniform Distribution Warren Buffet
Monthly Archives: February 2011
San Francisco Annual Rainfall Data – A Regression Example
This is an introductory article on simple linear regression. For a good reference of statistics at the introductory level, see [1]. 1. The Data The following is a table containing the annual rainfall data (the number of rain days and … Continue reading
Is type 2 diabetes preventable in high risk population?
Diabetes adversely affects many major organs, including heart, blood vessels, nerves, eyes and kidneys. The complications related to these organs develop gradually, but they can eventually be disabling or even life threatening. Treatment of diabetes can prevent some of these … Continue reading
A Landmark Lipitor Study of Patients with Type 2 Diabetes
People with diabetes are at high risk for heart disease and stroke. Since elevated lipid levels are associated with cardiovascular vascular disease, keeping blood cholesterol close to the recommended target numbers can lower the risk. The American Diabetes Association has … Continue reading
Weight Distributions of Super Bowl Players
How much do Howard Green and Ryan Pickett weigh (both of Green Bay Packers)? How much does Chris Kemoeatu weigh (Pittsburgh Steelers)? These are the heaviest players in the two teams for the Super Bowl 2011. Their weights listed at … Continue reading
A Statistical Look at the Amendments to the United States Constitution
The Constitution of the United States is the supreme law of the United States. The framers of the Constitution were aware that changes to the Constitution would be necessary from time to time. A twopart process was set up for … Continue reading