Elementary Statistical MethodsH. Holt, 1943 - Всего страниц: 368 |
Содержание
CHAPTER | 1 |
THE NATURE OF MEASUREMENT | 11 |
888 | 19 |
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Часто встречающиеся слова и выражения
abscissa algebraic Appendix approximately arbitrary origin area lies area units arithmetic arithmetic mean average called Chapter chart class interval correlation coefficient corresponding cumulative frequency cumulative percentage data of Table entries equal equation error estimate Figure formula frequency curve frequency distribution frequency polygon Galton given height histogram horizontal illustrated increase indicate individual intelligence quotient interval units Karl Pearson kurtosis language score large number mathematical mean and standard median mesokurtic midpoint mode multiplied negative normal curve normal distribution number of heads obtained ordinate percentile rank person population quartile random samples range Reading Speed regression lines relationship represented result scale of scores score units significant digits square standard deviation standard score statistical method step interval student subtracted Suppose symbol T-scores Teachers tion trait variable variance variation vertical width of interval X₁ zero ΣΥ ΣΧ