# Statistics: An Introduction to Quantitative Economic Research

By Daniel B. Suits | Go to book overview

INDEX
Aggregate, 226:
 constant price, 228 weighted, 227
Analysis of variance, 130-42:
 and linear regression, 172-74 limitations of, 141-42 table, 135-36, 140-41 with multivariate functions, 136-37
Arithmetic mean. See Mean
Arkin, H., 22
Autocorrelation, 184-85
Average. See Mean
Bar chart, 14
Base period, 227-26, 230
Bimodal, 24
Bryan, J. G., 154
Categorical variable, 29, 80:
 x2 test of, 142-51 multivalued, 146 variance of, 42
Cell, 82
Cell mean, 90, 92, 96
Central tendency, measures of, 23-35:
 comparison, 33-34
x2 distribution, 145
Class, 8:
 concentration points, 9 discrete variables, 9 frequency, 8 frequency density of, 11 interval, 10 limits, 8 mark, 27 open-end, 11, 28
Coefficient of correlation, 170:
Coefficient of determination, 170:
 adjusted, 175 calculation of, 171-72 unadjusted, 170
Colton, R. R., 22
Confidence interval, 59:
 definition of, 63-64 for a proportion, 74 for the mean, 69-70
Confidence level, 64
Consumer Price Index, 233, 243
Correlation, 82:
 and causation, 117-19 and sample composition, 115-17 hidden, 112-15, 181-84, 222 ratio, 91
Cowden, D. J., 22, 53
Croxton, F. E., 22, 53
Cumulative chart, 19
Cumulative distribution, 17-20
Curvature, 189:
 test for, 193
Curvilinear regression, 189
David, M. H., 123
Deflation, 239
Degrees of freedom, 62-63:
 for analysis of variance, 136 for regression, 173
Deming, W. E., 78
Determination ratio, 91:
Discrete variables, 9, 12

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