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[DOC File]Statistics
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Calculate the upper outlier test limit (Q3 + 1.5IQR) _____ List any outliers on the upper end ____________ On your calculator, create a modified box plot for the Interception data and sketch it below (Make sure to set the window for XMIN and XMAX)
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[DOC File]Using Open Calc to Calculate Statistics
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Calculate the mean, mode, median, quartiles, and standard deviation for the data. (See the instructions below) Step 3: Find what percentile the number 67 falls into. Step 4: Find the number that is in the 70% percentile.-----To Find the Mean. AVERAGE
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[DOC File]The Practice of Statistics - Mrs. Krummel
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Explain how to calculate the mean,. Explain how to calculate the median, M. Explain why the median is resistant to extreme observations, but the median is nonresistant. In statistics, what is meant by spread? Explain how to calculate Q1 and Q3. What is the five-number summary? What …
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[DOC File]The Practice of Statistics
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How do you find first quartile Q1 and third quartile Q3? What is the Interquartile Range (IQR)? Is the IQR and the quartiles a resistant measure of spread? Explain. How is the IQR used to identify outliers? What is the five-number summary of a distribution? Explain how to …
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[DOC File]CHAPTER 14: DESCRIPTIVE STATISTICS
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Q1 = 1st Quartile. med = median. Q3 = 3rd Quartile. maxX = Maximum Data Value . Find the five-number summary, mean, and mode of the data: {65, 68, 70, 71, 73, 73, 74, 76, 78, 81, 81, 85, 86, 87, 89, 90, 91, 91, 93, 95} Min = Q1 = M = Q3 = Max = MEAN = Mode = Frequency Table for Chemistry 103 Exam Score 10 50 60 70 80 100 Frequency 1 3 7 7 4 2 Min = Q1 = M = Q3 = Max =
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[DOC File]DESCRIPTIVE STATISTICS
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Procedure: Sort data from lower to high. Calculate Q1(1st. quartile), Q2 (2nd. quartile), Q3 (3rd. quartile) and build a box with ends located at Q1 and Q3. A vertical line through the box is placed at the median (Q2). Limits are set up at each side, by calculating the interquartile range (IQR = Q3-Q1) and multiplying it by 1.5 times.
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[DOC File]A sample mean, denoted (pronounced “x-bar”), is an average ...
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) is calculated as UF = Q3 + 1.5(Q3 – Q1). The Lower Fence (LF) is calculated as LF = Q1 – 1.5(Q3 – Q1). Q3 – Q1 is often referred to as the inner quartile range (IQR) so the fences are often noted as: UF = Q3 + 1.5IQR and LF = Q1 – 1.5 IQR. A mode. is simply the value that occurs most frequent. A set of data may have more than one ...
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[DOC File]IQ Scores and Making a Histogram - anderson.k12.ky.us
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Q3: 3rd quartile, 75th %tile, median of the upper half of data. Five Number Summary and Box Plots. Minimum Q1 Median Q3 Maximum. Box Plot: a visual representation of the 5 number summary. IQR: Inter Quartile Range (Q3-Q1) Measure of Spread. Outlier Rule: Q3 + 1.5 * IQR and Q1 – 1.5*IQR Any value that lies outside those numbers are outliers
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[DOC File]Stats 245 - University of Saskatchewan
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Calculate the mean, median, and quartiles, and construct a box-and-whisker plot. Solution. Median = observation in 25.5 position = average of 25th and 26th obs. = 3.9. Q1 = observation in 13th position = 2.0, Q3 = 13th observation from the top = 5.5. To construct the . box-whisker plot . we need to compute the fences to check for outliers
first quartile calculator

[DOC File]The Practice of Statistics
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How do you find first quartile Q1 and third quartile Q3 by hand . and. find on the calculator. Describe Spread and Outliers (continued) What is the Interquartile Range (IQR)? Is the IQR and the quartiles a resistant measure of spread? Explain. How is the IQR used to identify outliers? What is the five-number summary of a distribution?
find q1 and q3 stats

How to calculate q1 and q3 stats