A student researcher is interested in the effect of contact sports on conceptual thinking. The researcher measures conceptual thinking for soccer players and swimmers. The conceptual thinking task produces a score where the higher the value indicates improved conceptual thinking. To examine the longevity of these effects, these procedures were repeated for college aged and older athletes. College Older Soccer 5 9 Trow = 8. n row= M = M = T= T= SS = SS = Swim Trow n row= 2 2 M = M = T= T= SS = SS = 2 Tcol = Tcol = N = ncol= ncol= r= C= G = ΣΧ SS df MS F A (Row) B (Column) AXB Row X Column Between Within Total 1. State your Hypotheses 2. Determine your df and critical values 3. Complete the ANOVA summary table Make your decision and state your conclusion. 4.

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.