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 is unchanged.
B.   More information is needed to determine.
C.   Your mean will decrease.
D.   Your mean will increase.
Question #2
Which measure of central tendency is also known as the midpoint for a set of scores?
A.   the median
B.   the mean
C.   the mode
D.   the average
Question #3
What is the formula for computing the mean?
A.   ΣN + y
B.   ΣX / n
C.   ΣY / X
D.   ΣX + n

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