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.
Your mean will decrease.
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 mode
B.
the mean
C.
the median
D.
the average
Question #3
What is the formula for computing the mean?
A.
ΣN + y
B.
ΣY / X
C.
ΣX + n
D.
ΣX / n
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