The mean of a data set
What is data set? - Definition from WhatIs.com
The mean is the usual average: add up all the observations in a data set and divide by the number of observations. The median is a value that (roughly) divides the data into halves, so that half of the values are greater than the median and half are less.
[DOC File]Standard deviation
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Extremely large values in a data set will increase the value of the mean, and extremely low values will decrease it. Extreme values affect the mean. To calculate a . weighted mean, first multiply each cell frequency by its weight (the cell frequency), and then sum and divide by the total frequency.
[DOC File]Mean, Median, Box & Whisker Plots
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The mean and the standard deviation of a set of data are usually reported together. In a certain sense, the standard deviation is a "natural" measure of statistical dispersion if the center of the data is measured about the mean.
[DOC File]Mean, Median, Box & Whisker Plots
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The mean, median and mode, common measures of central tendency, represent either a typical or representative score and/or a value about which the data tend to center. A measure of central tendency frequently lies at the midpoint or middle of a data set.
[DOC File]Mean, Median, and Mode
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Mode data set #1 = Mode data set #2 = Range data set #1 = Range data set #2 = Practice. Find the mean for this data. 12, 15, 19, 17, 18, 17, 20, 14 mean_____ If the mean of a set of 12 number is 13, then the sum of the numbers is: _____ Standard Deviation. Statisticians like to measure the dispersion (spread) of the data set about the mean in ...
[DOC File]Name: __________________________ Date:
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Definitions: Mean: Median: Mode: Range (statistical): Data Set 1: In a park that has several basketball courts, a student counts the number of players playing basketball each day over a two week period and records the following data.
[DOC File] How to Compute and Interpret the Mean, Median ...
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If the mean of a set of data is 23.00, and 30.50 has a z-score of 0.75, then the standard deviation must be: A) 100.00 B) 5.00 C) 50.00 . D) 10.00. 8. If the five number summary for a set of data is 0, 3, 6, 7, and 16, then the mean of this set of data is. A) 6 B) there is insufficient information to calculate the mean C) 8 …
[DOC File]Using the mean and the median
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Using the Gizmo, create a data set in which the mean is between the median and the mode. Illustrate your data set by filling in the line plot to the right. List the mean, median, and mode of your data set below. Mean: Median: Mode: Morgan received the following grades on …
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