PRINT PSYC 331 QUIZ 2 Version C

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

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Version C Name___________________________________ Multiple Choice . Identify the choice that best completes the statement or answers the question. ____ 1. 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. symmetrical c. cumulative d. positively skewed ____ 2. A researcher is interested in the sleeping habits of American college students. A group of 50 students is interviewed and the researcher finds that these students sleep an average of 6.7 hours per day. For this study, the average of 6.7 hours is an example of a(n) ____. a. sample b. statistic c. parameter d. population ____ 3. On an exam with m = 52, you have a score of X = 48. Which value for the standard deviation would give you a higher position in the class distribution? a. cannot determine from the information given b. s = 2 c. s = 4 d. s = 1 ____ 4. One sample of n = 4 scores has a mean of M = 10, and a second sample of n = 8 scores has a mean of M = 20. If the two samples are combined, the mean for the combined sample will be a. greater than 15 but less than 20 b. less than 15 but more than 10 c. equal to 15 d. None of the other choices is correct. ____ 5. 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.

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

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