PRINT PSYC 331 QUIZ 2 Version A

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

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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 a. negatively skewed b. cumulative c. symmetrical d. positively skewed ____ 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? a. The grades should be the same because the two exam scores are in the same location. b. Spanish c. Math d. There is not enough information to determine which is 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? a. the rats given the regular diet b. the type of diet given to the rats c. the rats given the protein-enriched diet d. the adult weight of the rats
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This note was uploaded on 01/15/2010 for the course PSYC 331 taught by Professor Dianealonso during the Fall '09 term at UMBC.

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

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