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[DOC File]1 - Franklin Township Public Schools
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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 ...
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[DOC File]Section 1
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Compute the interquartile range (IQR). Use the 1.5 ( IQR rule to identify outliers. Compute the standard deviation and variance as measures of spread. Identify situations in which the standard deviation is the most appropriate measure of spread and situations in which the interquartile range is the most appropriate measure.
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STATISTICS: Sect
To find outlier(s), first find the interquartile range: IQR = Q3 – Q1. Then, mathematically, an outlier is defined as Outlier < Q1 – 1.5 IQR or Outlier > Q3 + 1.5 IQR
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[DOCX File]Univariate data
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The range, interquartile range, the standard deviation and variance show how the data is spread. The range It is found quite simply by taking the smallest score from the largest.
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[DOCX File]Avon Community School Corporation / Homepage
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At General Hospital, nurses are given performance evaluation to determine eligibility for merit pay raises. The supervisor rates the nurses on a scale of 1 to 10 (10 being the highest) for several activities: promptness, record keeping, appearance, and bedside manner with patients.
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[DOC File]Chapter 3:
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Interquartile range: Semi-interquartile range: Midquartile: 10-90 Percentile Range: To Determine if a Data Value is an Outlier: Find Q1 and Q3. Find the interquartile range (IQR): Q3 – Q1. Multiply the IQR by 1.5. The data value is an outlier if it is above Q3 by an amount greater than 1.5 x IQR
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[DOC File]The Central Limit Theorem: Homework
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The IQR (interquartile range) for the average song length is from _____ to _____. Exercise 13. Salaries for teachers in a particular elementary school district are normally distributed with a mean of $44,000 and a standard deviation of $6500. We randomly survey 10 teachers from that district. In words, X = In words, = In words, X = X
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[DOC File]Arrowhead High School
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c. Find the interquartile range. d. Use 1.5 X IQR criterion to determine which, if any, values are outliers. 6) The plot represents normal Fahrenheit temperatures of the 50 states, using data for one city in each state. The normal was calculated from temperature records for the thirty-year period 1951-1980.
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[DOC File]Ms. Rigano's Math Classes
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9. What is the interquartile range (IQR) of this data set? 10. Are there any outliers? If so, what are they? 11. If we remove the outlier(s), do you expect the mean or the median to be more affected? Explain. 12. Use a graphing calculator to determine the new five-number summary for this data set without . the outlier(s). 13. Describe the shape ...
interquartile range calculator

[DOCX File]IB Questionbank Test
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For these grades, find the interquartile range. 2. A study was carried out to determine whether the country chosen by students for their university studies was influenced by a person’s gender. A random sample was taken. The results are shown in the following table. A test was performed at the 1% significance level.
how to calculate interquartile range

How to determine interquartile range calculator