Approximately what percentage of scores falls within one standard deviation of the mean in a normal distribution?
A) 34%
B) 95%
C) 99%
D) 68%
Correct Answer:
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Q43: The denominator (bottom) of the z score
Q44: Measures of variability indicate:
A) Where the modal
Q45: The standard deviation is:
A) The square root
Q46: Joe had a percentile rank of 70
Q47: The range refers to:
A) The difference between
Q49: Which of the data points in the
Q50: If a set of scores is very
Q51: If your grade on a test was
Q52: A data point that is very atypical
Q53: What is the variance?
A) The difference between
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