The median is a more representative average than the arithmetic mean when the frequency distribution of scores is highly skewed.
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Q9: It is more common for test scores
Q10: The most commonly used measure of central
Q11: The mean is less affected than the
Q12: A symmetric distribution is to the mean
Q13: For the scores 5, 6, 7, 8,
Q15: Arithmetic mean is to standard deviation as
Q16: Correlation coefficients range from .00 to 1.00.
Q17: A correlation of -1.00 indicates the absence
Q18: Correlation implies prediction but not causation.
Q19: The prediction of Y from X is
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