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A Basic Mathematical Concepts
J Frequency Distributions and Graphing
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analysis of variance behavioral binomial calculate central tendency CN CO CN coefficient column correlated samples corresponding critical region critical value cumulative frequency degrees of freedom determine difference between means drug effect employed equal event example Exercise experimental Figure Formula frequency distribution given graph greater horror humor independent variable level of significance Mann-Whitney median multiply nonparametric normal curve normally distributed Note null hypothesis one-tailed test ordinal pairs parameters percentage percentile rank population mean preceding predicted probability of obtaining problem procedures random referred regression line reject H0 reject the null relationship sample means sample statistics sampling distribution scale selected sign test skewed standard deviation standard error statistical test Statistics in Action Step Student's f-ratio subjects subtract sum of squares Table test of significance tion trial two-tailed test Type II error variance estimate variation within-group z-score zero