Basic Statistical Analysis: Examination Copy |
Contents
Graphs and Measures of Central Tendency | 23 |
Variability | 47 |
The Normal Curve and z Scores | 64 |
Copyright | |
19 other sections not shown
Common terms and phrases
a z score abscissa alpha error ANOVA Appendix Table assumed average called central tendency chance Chapter confidence interval correlation Decile degrees of freedom descriptive statistics distribution of means equal equation estimated standard error event example experimental F ratio Find the percentage frequency of occurrence given graph height independent variable inferential statistics interquartile range interval data IQ scores M₁ math measures of central median mesokurtic middlemost mode negative normal curve normal distribution null hypothesis number of scores obtained occur one-tail percentile persons platykurtic population mean predict probability of selecting problems random sample range rank raw score reject the null represent sample groups sample means sampling distribution scale score table significant skewed distribution SOLD FREE COPY standard deviation units standard error stanine statisticians subjects subtract sum of squares technique Test the hypothesis tion total number unimodal distribution variance zero ΣΧ