Module 4 Learning Exercises A student randomly and independently picks three samples of participants. She gives one group a treatment she believes will affect performance on the dependent measure of interest, a measure of isolation. Higher scores indicate more isolation. She obtains the following scores. Perform an appropriate significance test for her. Control Cond1 Cond2 Totals 6 3 N = 8. G = 5 4 EX = 3 1 2 3 M SS 1. State the Hypotheses a. Ho: b. H: 2. Determine the df, and dfw. Find the Critical Value a. df : dfw: b. The critical value of F = 3. Compute the statistic a. Complete the ANOVA Summary table Source SS df MS Between Within Total b. n' = c. Tukey's (HSD) = 4. Make a decision. a. Did you reject of retain the null? .p< b. There is a significant effect of the independent variable o the dependentt variable, F, % = .05, n = C. What conclusions can you make using the Tukey HSD?

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A: Recall the following fact.

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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.