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PRINT PSYC 331 QUIZ 2 Version A

PRINT PSYC 331 QUIZ 2 Version A - PSYC 331 QUIZ#2 Version A...

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PSYC 331 QUIZ #2 Version A Name___________________________________ Multiple Choice . Identify the choice that best completes the statement or answers the question. ____ 1. A sample of n = 5 scores has a mean of M = 8. If one new score with a value of X = 2 is added to the sample, what will be the value for the new mean? a. M = 8.4 b. cannot be determined with the information provided c. M = 8 d. M = 7 ____ 2. What is the shape of the distribution for the following set of scores: 25, 26, 24, 26, 25, 3, 7, 6, 15, 10, 25, 24, 26 ____ 3. Last week Sarah had exams in Math and in Spanish. She had a score of 45 on the Math exam and a score of 65 on the Spanish exam. For which class should Sara expect the better grade? ____ 4. A recent study reports that infant rats fed a special protein-enriched diet reached an adult weight 10% greater than litter-mates raised on a regular diet. For this study, what is the in- dependent variable? ____
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