Elementary Statistical MethodsH. Holt, 1943 - Всего страниц: 368 |
Содержание
CHAPTER | 1 |
THE NATURE OF MEASUREMENT | 11 |
788 | 19 |
Авторские права | |
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Часто встречающиеся слова и выражения
abscissa algebraic approximately arbitrary origin arithmetic arithmetic mean average called Chapter chart class interval computation correlation coefficient corresponding cumulative frequency cumulative percentage data of Table entries equal equation estimate Figure formula frequency curve frequency distribution frequency polygon Galton graph harmonic mean height histogram horizontal illustrated indicate individual intelligence quotient interquartile range interval units Karl Pearson language score large number mathematical mean and standard measure median midpoint mode multiplied negative normal curve normal distribution Number of Heads obtained ordinate percentile rank population position quartile random samples range Reading Speed regression line relationship represent result sampling distribution scale of scores score units skewness square standard deviation standard error standard scores statistical method step interval student symbol Teachers tion trait variable variance variation vertical width of interval X₁ z-score zero ΣΥ ΣΧ ΣΧΥ