How to find quartiles stats
[DOCX File]Stem Plot and Dot Plot Practice - Walton Math Pages
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Find the Median of the upper set of numbers. (Upper Quartile or Quartile 3) Find the Smallest number. (Lower Extreme) Find the Largest number. (Upper Extreme) Plot all of the above points on the number line. Draw a box around the Lower and Upper Quartiles and Whiskers out to the Extremes. Make Box and Whisker Plots for each set of the ...
[DOC File]MEDICAL DOCTORS – An Activity to review descriptive ...
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Find the range of values that defines the middle 80% of the distribution of SAT scores (372 and 628). Find the z-scores - -1.28, 1.28. For a normal distribution, find the z-score that separates the distribution as follows: Separate the highest 30% from the rest of the distribution. .52. Separate the lowest 40% from the rest of the distribution. .25
Probability and Statistics Quartiles
(3) To find Q1 (first quartile): Find the median of ALL values that are below the median. (4) To find Q3 (third quartile): Find the median of ALL values that are above the median. Note: NEVER include the actual median in the data when finding the quartiles. Find the 5-number summary and draw the boxplot for each data set. 1.
[DOC File]DESCRIPTIVE STATISTICS
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An easy way of finding the quartiles is: consider the first half of the (ordered) observations, find the value that occupies the central position in that first half, that is the lower quartile. The upper quartile is the value that occupies the central position in the second half of the ordered data.
STATISTICS: Sect
To Find the Quartiles. QUARTILE. Returns the quartiles of a data set. Syntax. QUARTILE(Data; Type) Data. represents the array of data in the sample. Type. represents the type of quartile. (0 = MIN, 1 = 25%, 2 = 50% (MEDIAN), 3 = 75% and 4 = MAX.) Example =QUARTILE(A1:A50;1) returns Q1 =QUARTILE(A1:A50;2) returns Q2 =QUARTILE(A1:A50;3) returns Q3
[DOC File]1 - Franklin Township Public Schools
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Find the median, upper and lower quartiles, range, and the interquartile range. Sketch a Stem plot Sketch a dot plot. What is different about these two graphs? How are they similar? Why might these graphs . not . be good graphs for this data? Histogram Practice.
[DOC File]3 - Faculty Websites
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Can use the calculator to find the median and quartiles using. 1-Var Stats (scroll down to second page of results) Outlier. An observation that falls outside the overall pattern of the data. Calculated by using the IQR - interquartile range (Q3 - Q1) Anything smaller than . Q1 – 1.5(IQR) or larger than. Q3 + 1.5(IQR) is an outlier. These are ...
[DOC File]Using Open Calc to Calculate Statistics
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Quartiles operate with the same formula for percentiles. Box and Whiskers plot. This is a descriptive tool that allows graphic observation of the distribution of the data. Any value outside the limits of this box is considered an outlier. Procedure: Sort data from lower to high. Calculate Q1(1st. quartile), Q2 (2nd. quartile), Q3 (3rd. quartile ...
[DOC File]Mean, Median, Box & Whisker Plots
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13) The interquartile range is the difference between the two quartiles and is a measure of spread because it means that the central 50% of the observations are spread over that range. Calculate the . interquartile range. or . IQR. for this data set:_____ The . range. is just the difference between the maximum and minimum value.
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