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