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Understanding Median – Measures of Central Tendency – MathsTip…
Comparing the mean and the median can indicate the skewness of a data set. Other measures of central tendency. Mode: Value that occurs most frequently in a data set. In a histogram, the modal class is the class with the most observations in it. A bimodal distribution has two separated peaks:
measures of central tendency median

[DOC File]STATISTICS - John Uebersax
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Measures of Central Tendency. Mean: the arithmetic average of a distribution, obtained by adding the scores and then dividing by the number of scores - The mean shows you the exact average of any set of scores. Example 1: Five students in Mr. J’s class score 88, 80, 83, 75, and 78 on an exam. What’s the mean? Formula: Step 1: 88+80+83+75+78=404
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[DOC File]Numerical Measures of Central Tendency
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The median requires at least ordinal data, as percentiles must be ranked. When data is collected into a cumulative percentile frequency distribution, the median is the percentile equivalent to the 50th percentile rank. ... SYMMETRY AND CENTRAL TENDENCY: The position of the measures of central tendency, in relation to each other, can indicate ...
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[DOC File]Chapter 5: Measures of Central Tendency
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The Median . The median is a measure of central tendency more resistant to the effects of extreme values. The median is the value that occupies the middle position of data when data are put in rank order by magnitude. Let n be the number of cases in your data. If n is . odd, the median is the middle number of the data values sorted by magnitude.
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CHAPTER THREE: Measures of Central Tendency
1. Compute the mean, median, and mode for the following 10 incomes: $10,000 $8,000 $7,000 $5,000 $7,000 $1,000,000 $9,000 $11,000 $8,000 $11,000. Which measure of central tendency is most meaningful in this case and why? 2. Below is the fat content of some of our favorite meals. Compute the mean, median, and mode.
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[DOC File] How to Compute and Interpret the Mean, Median ...
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Median – central value of an ordered distribution. obtained by ordering the data from smallest to largest, then finding the middle value. More stable then the mode, but does not indicate the range of values above or below it. (Example p. 112) *** If there are an odd number of values in your distribution, the central value is the median.
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[DOC File]Measures of Central Tendency - Mayfield City Schools
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The median often becomes a more appropriate (representative) measure of central tendency when the data are skewed— that is, the majority of scores tend to accumulate toward either the high or low end of the distribution with a few extreme scores at the opposite end.
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Central tendency median