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Stat 115, Fall 2021 c. Is there a significant difference in reported pain between the two conditions? Higher a = .05. scores indicate more uncomfortableness
Stat 115, Fall 2021 c. Is there a significant difference in reported pain between the two conditions? Higher a = .05. scores indicate more uncomfortableness (i.e., more pain). Use a two-tailed test with 1) State the null hypothesis in words and in a statistical form. (1) 2) State the alternative hypothesis in words and a statistical form. (1) 3) Compute the appropriate statistic to test the hypotheses. Sketch the distribution with the estimated standard error and locate the critical region(s) with the critical value(s). (4) it Juairing erdt elstonA enjoy as smee sul very sis) nousiveb theankle bas'ncom quote on9 6 (Stonie pnibnuof. erl Igeoxe,envoy as embe er) then) Youtsvet stuffpretend (Sawby es empe efl li al) Siond basbrists off a) grettwy 'sto dede erl boit boy nso manyly Story to Insoningle ai livest way li wont uoy ob wolf Sinpantingis Jiuany en el 4) State your statistical decision (.5). 5) Compute Cohen's d. Interpret what the d really means in this context. (2) 6) Compute 95% CI (2).Stat 115, Fall 2021 4. The following problems should be computed both by hand and by SPSS (you need to save the data. You will use the same data for the Bonus question 3 that appears later). Does money in your hands make you feel better? There is actually some evidence that suggests that handling money reduce the perception pain (Zhou, Vohs, & Baumester, 2009). In the experiment, a group of college students was told that they were participating in a manual dexterity study. Half of the students were given a stack of money to count and the other half got a stack of blank pieces of paper. After the counting task, the participants were asked to dip their hands into bowls of very hot water (122 F) and rate how uncomfortable it was. The following data show ratings of pain similar to the results obtained in their study Type of Condition ag to redmon sift gnies Counting Money Counting Paper 7, 8, 10, 6, 8, 5, 7, 12, 9 9, 11, 13, 10, 11, 9, 15, 14, 7 onl d Computations by hand a. What are IV and DV in this study? (1) sill nsewled songneith er pritension b. Compute the mean and the standard deviation for each condition (show your work). (use the definition formula to compute each SS) (6).Stat 115, Fall 2021 ing 17) What is your conclusion? Interpret the results. Do not forget to include a Play leal statistical form (e.g., t-score, df, a, Cohen's d) (3). com mi aglobe 80 = 0 (Not Boiledele s al bus ablow ni elsentogyn liun art erEle (
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