Soc 424/L - Statistical Techniques in Social Research » Fall 2020 » Chapter 2 Pre-Test

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Question #1
If your current examination mean is 97.2 and you receive a 99 on the next examination, what effect will this have?
A.   Your mean will increase.
B.   Your mean is unchanged.
C.   More information is needed to determine.
D.   Your mean will decrease.
Question #2
Which measure of central tendency is also known as the midpoint for a set of scores?
A.   the mean
B.   the average
C.   the mode
D.   the median
Question #3
What is the formula for computing the mean?
A.   ΣX + n
B.   ΣY / X
C.   ΣN + y
D.   ΣX / n

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