Professor Jones gives a quiz in her statistics course and obtains the following 20 scores:
Calculate the variance and standard deviation by
(a) the deviation-score method, and
(b) the raw-score method.
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Q2: Each score in a sample of five
Q3: Consider the following sets of scores: (1)
Q4: The scores of two groups of chimpanzees
Q5: (a) After the mean, median, range, Q,
Q6: The mean for a large group of
Q8: For the distribution of scores on
Q9: Use the basic definition of z scores
Q10: If the lowest score is 51 and
Q11: Q1 means the same as
A) P75
B) P50
C)
Q12: Q is equal to
A) (
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