Midterm 1 - Version B - Multiple Choice

N1yieldsasmallerresultwhichisabetterreflectionofthesta

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Unformatted text preview: s are all whole numbers, the mode will be a whole number*  d. because the scores are all whole numbers, the mean and median will have the same value  e. all of the above are correct descriptions    If it is not possible to divide the existing categories of a variable, then it is an example of a  _________ variable.  a. construct  b. independent  c. dependent  d. continuous  e. discrete*  What is the rationale behind using n‐1 in calculating the sample standard deviation instead of  just N?  a. None, you can use either equation interchangeably   b. n‐1 removes any potential outliers in the sample which could exaggerate the variance  c. n‐1 will yield a larger result, which is a better reflection of the standard deviation of the  population*  d. n‐1 yields a smaller result, which is a better reflection of the standard deviation of the  population  e. Both b and d  The value of one score in a distribution is changed from X = 20 to X = 30.  Which measure(s) of  central tendency is (are) certain to be changed?  a. the mean*  b. the median  c. the mean and the median  d. the mode  e. cannot determine from the information given    If every score in a populati...
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This note was uploaded on 10/16/2011 for the course PSYCH 60 taught by Professor Parris during the Spring '11 term at UCSD.

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