Statistics for the TerrifiedAn introduction to statistics for the social sciences. This text aims to give students an understanding of the concepts and computations of basic statistics and to train them to overcome math anxiety and avoidance responses that interfere with learning. |
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Page 17
... example . This is the value of EX2 . Meanwhile , back at the variance formula , we still have ΝΣ Χ - ( Σx ) S2 N2 Let's apply the formula to the following example : Math Anxiety Scores X 11 9 8 7 6 Just follow these steps : 1. Look at ...
... example . This is the value of EX2 . Meanwhile , back at the variance formula , we still have ΝΣ Χ - ( Σx ) S2 N2 Let's apply the formula to the following example : Math Anxiety Scores X 11 9 8 7 6 Just follow these steps : 1. Look at ...
Page 79
... example , df = n1 + n2 − 2 = 12 + 12 − 2 = 22 . - terit is determined by df and by your selected level of significance . Suppose you selected the .05 level of significance ( the most commonly chosen value ) . Go down the df column to ...
... example , df = n1 + n2 − 2 = 12 + 12 − 2 = 22 . - terit is determined by df and by your selected level of significance . Suppose you selected the .05 level of significance ( the most commonly chosen value ) . Go down the df column to ...
Page 83
... example , ΣD = 50. Note that here we do pay at- tention to the sign of the differences ; that -1 has to be subtracted , not added . Note also that the formula calls for ( D ) 2 , which is not the same as Σ D2 . Remember ? In our example ...
... example , ΣD = 50. Note that here we do pay at- tention to the sign of the differences ; that -1 has to be subtracted , not added . Note also that the formula calls for ( D ) 2 , which is not the same as Σ D2 . Remember ? In our example ...
Contents
Measures of Variability | 12 |
Frequency Distributions and the Normal Curve | 21 |
Percentiles and Standard Scores | 35 |
Copyright | |
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05 level ANOVA answer anxiety test Appendix chance Chapter classroom column compute control group correlation coefficient counseling counselor touch critical value decimal denominator difference distribution divide empathy EX)² EX² example Ferit Fobt formula frequency polygon graph independent samples inferential statistics intelligence test scores IQ Scores learned level of significance look measure median multiply N₁ n₂ negative numbers NEX² nonparametric norm group normal curve Notice null hypothesis number of scores number of subjects one-tailed test pair parametric parentheses percentile rank persons population predicted predictor PROBLEMS random numbers raw score reject the null relationship researcher Rule Ruritania sample means self-talk skewed square root standard deviation standard scores statistically significant Step subtracting sum of squares Suppose terit test for independent thing tobt total number two-tailed test Type I error variables variance X₁ Z score Σ Χ ΣΥ ΣΧ