An Introduction to Statistics

Front Matter....Pages i-vii
Front Matter....Pages 1-1
Introduction — The How, Why and Wherefore of Statistics....Pages 3-5
Averages....Pages 6-8
The Arithmetic Mean....Pages 9-15
Dispersion....Pages 16-23
Cumulative Frequencies....Pages 24-28
Discrete and Continuous Measurement....Pages 29-36
The Mode and Median....Pages 37-43
Approximation....Pages 44-49
Bivariate Distributions — Correlation, Regression....Pages 50-58
Rank Correlation....Pages 59-63
Time Series....Pages 64-73
Weighted Averages and Index Numbers....Pages 74-84
Further Graphical Methods of Presenting Data....Pages 85-93
The Normal Distribution....Pages 94-99
Front Matter....Pages 101-101
Sampling....Pages 103-107
Surveys and Polls....Pages 108-112
Tabulation of Data....Pages 113-117
Pictorial Representation of Data....Pages 118-128
Government and Other Statistics....Pages 129-134
Back Matter....Pages 135-143