B find the interquartile range
[DOC File]Sample Test Questions -- Test 1 - University of Florida
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What is the IQR (Interquartile Range) of this data? a) 10. b) 13. c) 21. d) 62. 9. What is the standard deviation of this data? a) 12.78. b) 44. c) 93. d) 163.33. 10. If z is a standard normal random variable, what is the variance of z? a) 0. b) 1. c) 4. d) It depends on what kind of standard normal variable you have A particular type of 4th ...
[DOC File]A Level Mathematics Questionbanks
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b) Find the median and interquartile range of this data [6] c) Draw a box-plot to represent this data, and hence comment on its skewness [4] The diagram below shows a box-plot for the performance of another class on the same test. 25 30 35 40 45 d) Compare the performances of the classes. [4] 13.
[DOCX File]www.humbleisd.net
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(a) Find the height of the curve (that is, find the value of “A”). (b) Find the proportion of times that the light goes on between 2.5 and 4 seconds after the subject clicks “start.” 2.A Normal probability plot for the weights of 40 squirrels trapped and released on a college campus is shown below.
[DOCX File]DrFrostMaths.com
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An outlier is an observation that falls either 1.5 (interquartile range) above the upper quartile or 1.5 (interquartile range) below the lower quartile. (a)On graph paper, draw a box plot to represent these data. (7) (b)Comment on the distribution of delays. Justify your answer.
[DOCX File]Avon Community School Corporation / Homepage
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Find the interquartile range and identify any outliers. 36. Make a box-and-whisker plot of the data. 37. Do textbook page 97, #15. 38. Do textbook page 97 #16. 39. Do textbook page 98 #18. 40. Do textbook page 98 #20. 41. Consumer Reports rated automobile insurance companies and gave annual premiums for top-rated companies in several states ...
[DOC File]Answer ALL questions
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There was some evidence of inaccurate reading from the box plot in (a) and (b). In (b) those candidates who knew how to find the interquartile range generally gained at least one mark. However, a number of candidates either gave the range instead of the interquartile range or …
[DOC File]GCSE Exam Questions on Plans and Elevations
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(a) Find the median score. [2 marks] (b) Find the interquartile range of the scores. [2 marks] Question 4. (AQA November 2004 Higher Paper 2 Calculator OK) The histogram below shows the test scores of 100 female students. (a) What is the median score? [1 mark] (b) What is the interquartile range? [1 mark] This histogram is incomplete.
[DOCX File]Math One - Home
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The interquartile range of Class 1 is 46, and the interquartile range of Class 2 is 22. 16. The table below lists Mark’s and Jake’s scores in the last 10 tests held in their class.
Median and IQR
c.Find the interquartile range (IQR). Activity . 4 [Page 2.4] 1.Identify the following as true or false and give a reason. Use the activity to help your thinking. a.The LQ is always one of the elements of the data set. b.The LQ is the midpoint between the smallest value in the data set and the median.
[DOCX File]Paper Reference(s) - Maths Genie
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more than 1.5 × (interquartile range) above the upper quartile or. more than 1.5 × (interquartile range) below the lower quartile. (e) (i) Show that there are no outliers for these data. (ii) On graph paper, draw a box plot for these data. (5) (f) State which angle the students were more accurate at drawing. Give reasons for your answer.
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