Basic Statistical Analysis |
Common terms and phrases
a z score alpha error analysis ANOVA assumed average basis calculate central tendency chance Chapter column confidence interval control group correlation degrees of freedom equal equation error of difference estimated standard error example experimental F ratio fall find the percentage given graph height hypothesis of difference independent variable inferential statistics interquartile range interval data IQ scores manipulated math measures of central median method mode negative nominal data normal curve normal distribution null hypothesis number of scores obtained occur ordinal data paired parameter percentile person platykurtic population mean post-facto research predict probability problems random sample randomly range rank raw score reject the null relationship sample groups sample means sampling distribution Scale of measurement selected significant standard deviation standard deviation units standard error statistical test statisticians sum of squares technique Test the hypothesis tion variance within-subjects X₁ zero ΣΧ