Guide to calculating, interpreting and using effect size

Anchorperson Aptitude Test (AAT). The average anchorperson scores 100 points (out of. 200 possible points), with a standard deviation of 4.5 points. Brick, the newsroom's shuttle diplomat, gets both parties to agree that being a "big deal" would require an anchorperson's score to beat 97.5% of the other scores. Ron scores 111 and Veronica ... ................
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