Question
1. Why do we need to compute the measure of dispersion (variance and standard deviation) even if we have computed the measure of central tendency?
1. Why do we need to compute the measure of dispersion (variance and standard deviation) even if we have computed the measure of central tendency?
2. Is the median the most appropriate measure of averages (central tendency) for grouped data? Why? How about the mean? mode? Explain your answer.
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Understanding Public Opinion Polls
Authors: Jelke Bethlehem
1st Edition
1498769756, 9781498769754
