Topics in Statistics for Students in Education: First Course |
Common terms and phrases
calculating the mean cent level centile points centile score chemistry scores Chemistry Test Scores chosen interval class interval coefficient of correlation computation variable confidence interval determine distribution of scores Ed² efficiency of prediction equal error of estimate error of measurement Ex² following formula frequency distribution frequency polygon frequency times computation Fx² grouped data histogram and frequency intelligence quotient IQ's Kurtosis median MERIT INTO NORMAL mid-point column Normal Conversion Chart normal curve normal distribution Numbers of Individuals obtained score occur by chance ogive chart ORDERS OF MERIT Oy.x pairs of scores percent position percentile index percentile rank plotted PROBLEMS FOR TOPIC problems in Topic Rank in Class raw score regression coefficients regression equations regression lines Scatter Diagram score of 46 score value Short Range Skewness squared standard deviation standard error standard scores step interval straight line Substitute true score z score zero ΣΥ ΣΧ