What is commonly known as the "average is more correctly called the:
A) median
B) arithmetic mean
C) geometric mean
D) mode
Correct Answer:
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Q7: A test was given to two sections
Q8: When scores are grouped in constructing a
Q9: A z-score is obtained by:
A) dividing the
Q10: In a normal distribution, ± 1 z-score
Q11: The median is equal to:
A) the mean
B)
Q13: The primary value of frequency polygons is
Q14: The standard deviation tells how:
A) much the
Q15: An advantage of z-scores is that:
A) persons
Q16: A correspondence exists between z-scores and percentile
Q17: In constructing a scatterplot:
A) the range of
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