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# matching assignment 2 - .4 Examines if an observed causal...

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RES 341 Research and Evaluation I University of Phoenix Material Statistical Symbols and Definitions Matching Assignment Match the letter of the definition on the right to the appropriate symbol on the left. Symbols Definitions .1 Σ (Uppercase Sigma) B.__ a. Null hypothesis .2 μ (Mu) H.___ b. Summation .3 σ (Lowercase Sigma) E.___ c. Factorial .4 π (Pi) I.___ d. Nonparametric hypothesis test .5 ε (Epsilon) G.__ e. Population standard deviation .6 χ 2 (Chi Square) D.___ f. Alternate hypothesis .7 ! C.___ g. Maximum allowable error .8 H 0 A.__ h. Population mean .9 H 1 F.__ i. Probability of success in a binomial trial Match the letter of the term on the right to the definition of that term on the left. Definitions Terms .1 The average of the squared deviation scores from a distribution mean. D. Variance a. Reliability .2 Midpoint in the distribution of numbers. E. Median b. Mode .3 It has to do with the accuracy and precision of a measurement procedure. A. Reliability c. Generalization
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Unformatted text preview: .4 Examines if an observed causal relationship generalizes across persons, settings, and times. F. External Validity d. Variance .5 The difference between the largest and smallest score in a distribution. I. Range e. Median .6 The arithmetic average. G. Mean f. External validity .7 Refers to the extent to which a test measures what we actually wish to measure. K. Validity g. Mean .8 The most frequently occurring value in a set of numbers. B. Mode h. Internal validity .9 The conclusion from research conducted on a sample population to the population as a whole. C. Generalization .10 Examines whether the conclusion that we draw about a demonstrated experimental relationship truly implies cause. H. Internal Validity .11 Determines how far away the data values are from the average. J. Standard Deviation i. Range j. Standard deviation k. Validity Page 1 res341r6...
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