Calculate the semi-inter quartile range of the marks of19 Sıudents in Statistics given below :Marks: 0-5 5-10 10-1515-20 20- 25 25–307 2No. of students4 6 812

Given that Class Frequency 0 - 5 4 5 - 10 6 10 - 15 8 15 - 20 12 20 - 25 7 25 - 30 2…

Answered: Calculate the semi-inter quartile range…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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B5: a) [10] For the data set X = {1,2,6 ,2,8,6,5,2,4}, determine; i) The range and the mode. ii) The median and the inter-quartile range. The mean I and the standard deviation o (to 2 digit accuracy). b) [5] You want to display graphically some crime statistics of the incidence of four categories of crime for each of the last five years. You will need the graphic to show changes in both the total crime and the relative incidence of the four categories over this period. What sort of statistical diagram would you use, and why?
3.Which of the following is equivalent to First Quartile?* Median 2nd decile Lower Quartile Upper Quartile
b) The Mean Deviation (M.D) for the following homogeneous data (16, 15, 17, :12, 18, 10, 9, 35) is 3.204 O 3.125 O 5.125 5.204 O none of all above O
Any quantity that is computed from a sample is called
31
Q.No.1. Differentiate between inferential and descriptive Statistics with example. Find the missing entries in the following frequency distributio Class Limit Frequency Relative Frequency Cumulative Frequency Cumulative Percentage Frequency 10 to - - - - - - to - - - 5 - - to - - 0.32 21 - - to - - - - - - to - 8 - 43 - - to 69 - - - - The following scores represent the final examination grade for an elementary statistics course:- 23 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65 92 85 55 76 52 10 64 75 78 25 80 98 81 67 41 71 83 54 64 72 88 62 74 43 60 78 89 76 84 48 84 90 15 79 34 67 17 82 69 74 63 80 85 61 Make a grouped frequency distribution of this data and calculate…
I need help for figuring out how to explain parts a and b.
1. Given the data set: {3, 5, 6, 9, 4,7,4,2,3,9, 1, 3, 8} provide the following rounded to two decimal places if needed) The mean а) b) The median The mode c) The range _The midrange d) e The five number summary f) g) A box and whisker plot: draw below using the provided number line for scale. 3 6 10 1 2 4 7 89 h) Is this data set skewed_yes - positive/right, yes - negative/left or no - symmetric (circle one) _The standard deviation (O i) j) Most of the data in the set above are between - 6 and u6. Calculate these values and verify this statement based on the set above. k) According Chebyshev's Theorem, what fraction of the set lie within 2 standard deviations of the mean? Verify this based on the set above
4. A set of data has a five number summary of: 10 30 35 40 70 Which of the following is the inter-quartile range (IQR) of this data set? Group of answer choices 35 15 10 60
The following are the lengths of stay (in days) for a random sample of 20 patients discharged from a particular hospital: 13, 9, 5, 11, 6, 3, 12, 10, 11, 7, 3, 9, 2, 2, 10, 10, 12, 12, 8, 8 Send data to calculator Draw the histogram for these data using an initial class boundary of 1.5, an ending class boundary of 13.5, and 6 classes of equal width. Note that you can add or remove classes from the figure. Label each class with its endpoints. Frequency 6 5 4+ 3 2 1 0 0 0 Length of stay (in days) U 0 n 0:00 00:0 X Español K
Consider the following data set representing the number of missed classes during a semester. 0 0 0 0 0 0 0 0 0 1 1 1 2 2 2 2 3 3 3 3 3 4 4 4 5 5 6 7 7 a) Calculate the mean number of times students were tardy. b) Calculate the mean absolutedeviation (MAD) for the number of times students were tardy. c) Interpretthe mean absolutedeviation (MAD) for the number of times students were tardythat you found in part (b).
2. A test has a maximum possible score of 200. The results achieved by a class of 20 students are listed: 168, 152, 112, 88, 95, 123, 177, 166, 145, 104, 112, 156, 110, 141, 177, 166, 134, 190, 111, and 120. a) Determine the mean, median, and mode. b) What are the quartiles for this data set? c) Jacquelin's mark is in the 40th percentile for this group. Explain what the percentile means. What is Jacquelin's mark? (4

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Calculate the semi-inter quartile range of the marks of 19 Sudents in Statistics given below : : 0-5 5-10 10-15 15-20 20-25 25-30 4 6 8 Marks No. of students : 12 7 2