How do you find the first quartile
[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?
[DOC File]ST 241 - Introduction to Business 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?
[DOC File]The Practice of Statistics
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Find the sample mean, . Find the sample standard deviation, s. Construct a histogram of the data. Complete the columns of the chart. Find the first quartile. Find the median. Find the third quartile. Construct a box plot of the data. What percent of the students saw fewer than three movies? Find the 40th percentile. Find the 90th percentile.
[DOC File]Teaching Introductory Statistics with Activities and Data
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Find the first quartile for the average song length. 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.
Quartile Calculator - Find Q1, Q2, Q3 & IQR (Statistics)
Find the first quartile: 11*25/100 = 2.75 We need the number .75 of the way between 6 and 6 = 6. The percentiles and quartiles do a good job of giving an overall picture of the data, but we need many numbers to do so.
[DOC File]Sample Test Questions -- Test 1
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The first quartile is the median of the lower part of the data. The second quartile is another name for the median of the entire set of data. The third quartile is the median of the upper part of the data. Constructing a Box-and-Whisker Plot. Example 1. The data: …
[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 use the five-number summary to make a …
[DOC File]The Practice of Statistics - PC\|MAC
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First do 1 at a time for 5 repetitions with the “animate” button checked. Then do 995 more with the “Animation” box unchecked. ... Inter-quartile range _____ 2. Some of the statistical inference techniques in this course include: ... Do you expect the standard deviation of these 50 measurements to be about 1 mph, 5 mph, 10 mph, or 20 ...
[DOC File]PROBABILITY TOPICS: HOMEWORK
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(Assume that the first quartile and minimum for this data set are not equal.) a) the IQR is always bigger than the range for a given data set. b) the IQR is always smaller than the range. c) the IQR is equal to the range. d) this cannot be determined from the given information. 19. Which of the following is not true about normal curves?
[DOC File]The Central Limit Theorem: Homework
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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?
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