Median formula for even number
[DOCX File]Psychology 510/511 Lecture 3
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Q2The overall median of the collection. Compute using the median formula. Q1The median of the lower half of the distribution.. (If N is odd, include the overall median in the lower half.) Q0The smallest score in the distribution. Interquartile Range:The distance (on the number line) between the Q1 and Q3 - …
[DOC File]Statistics Cheat Sheet
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Median: M: If odd – center, if even - mean of 2. Boxplot: Min Q1 M Q3 Max Variance: , p78: standard deviation, s = √s2. Density curve – relative proportion within classes – area under curve = 1. Normal Distribution: 68, 95, 99.7 % within 1, 2, 3 std deviations. p98: …
[DOC File]Mean— A mathematical average of a group of numbers
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14,18,18,18,19,21,23 The middle number is 18. If there is an even number of items, find the average of the two middle numbers. 11,11,13,15,18,19,22.25 15+18 = 16.5 Median. 2 The calculation of the median can be done with a formula in Microsoft Excel. Mode – The number that occurs the most often.
[DOC File]Measures of Central Tendency, or more simply measures of ...
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If the number of observations is even, then the median is the mean of the two middle observations in the ordered list. Example Find the median for the sample of four salaries from Microsoft. First put the salaries in order: $30,000 $32,500 $35,000 $36,000 Median = $33,750. The mode is the value that occurs most frequently in a data set.
[DOC File]Mean, Median, and Mode
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How do you find the median of a data set that has an even number of items? What is the median of the data set 3, 4, 6, 10? Turn off Calculate median. Click . Clear, and then use the points on the line plot to generate the following data set: 1, 1, 2, 7, 9, 10. Use the arrow buttons to balance the pans. What is the median of this data set?
[DOC File]STATISTICS - John Uebersax
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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. It occupies the position. If n is . even, the median is the average of the middle two numbers of the data sorted by magnitude. It is the average of the numbers in the and positions. Example (odd number of values): 1 ...
[DOC File]How to Calculate Median, Mode, Mean, Variance, and ...
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If it’s an odd number, the median is the number where exactly half of the numbers are greater and half are smaller. If it’s an even number, take the average of the middle two numbers. median = ____ MODE: 1) Again, put the numbers in order. 2)
[DOC File]TEST
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The formula: Median (middle): order the numbers and take the number in the middle. The formula: Mode: The number listed most. The most frequently observed value. ... If the data were taken as random samples, you must use the independent test even if the number of data points in each set is the same . Even if data are related in pairs, sometimes ...
[DOC File]Measures of Central Tendency
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Median: the middle score in a distribution; half the scores are above it and half are below it - A better representation of data than the ‘mean’ - Simply list all the data from lowest to highest; median is the middle number Example 1: Five students in Mr. J’s class score 88, 80, 83, 75, 78.
[DOC File]1 - Franklin Township Public Schools
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Median - M. The midpoint of a distribution. The number such that half the observations are smaller and the other half are larger. If the number of observations n is odd, the median is the center of the ordered list. If the number of observations n is even, the median M is the mean of the two center observations in the ordered list. Is resistant
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