Calculate the coefficient of correlation and its probable error from the following:87S.No :13Statistics Biology ZoologyEnglish Physics Chemistry76MathematicsSubjects :Hindi797077818475% marks in end Year Exam. :7568656069727672% marks in sessionals :62

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Answered: Calculate the coefficient of…

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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Find out the correlation coefficient by the concurrent deviation method: 84 88 102 100 110 80 86 86 79 78 76 74 108 106 120 Y 78
A group of university researchers wanted to determine the relationship that exists between the number of hours spent by a student in social media in a day (X) and their grade weighted average (Y). Twelve randomly selected students produced the following findings: Number of GWA Hours 4.0 95 8.0 85 87 89 91 85 89 86 84 96 82 85 7.0 6.5 5.5 9.0 4.0 10.0 7.5 2.0 12.0 9.0
Use the data values in the table below to calculate the correlation between the variables x and y.Submit the link through Canvas to either a photo of your work on paper or a link to a google sheet. x y 3 19.13 4 21.24 5 19.65 6 18.36 7 17.57 8 18.98 9 16.99 10 16.7 Give your answer to three decimal places. __?__
Below are amounts (in millions of dollars) collected from parking meters by a security service company and other companies during similar time periods. Do the limited data listed here show evidence of stealing by the security service company's employees? Security Service Company: Other Companies: Find the coefficient of variation for each of the two samples, then compare the variation. 1.5 1.5 1.6 1.9 The coefficient of variation for the amount collected by the security service company is 2.5%. (Round to one decimal place as needed.) 1.7 1.6 (...) 1.3 1.8 1.5 1.6 1.3 1.9 1.7 1.6 1.6 1.5 1.3 1.9 1.6 D 1.6
Complete the following worksheet and then use it to calculate the coefficient of determination. (6,-) (-9) 12 265.2 253.8 2,226.6 130.0 1,280.7 20.2 279.6 286.4 212.8 46.2 457.4 27 311.2 313.5 156.6 5.3 104.3 4 30 328.0 325.4 596.0 6.8 729.7 30 352.0 325.4 596.0 707.6 2,602.4 21.4 281.2 291.2 95.8 100.0 391.5 7. 21.6 292.4 292.0 80.8 0.2 73.7 25.2 292.8 306.3 28.2 182.3 67.0 6. 37.2 358.0 354.1 2,821.0 15.2 3,250.5 10 14.4 263.2 263.3 1,420.3 0.0 1,427.8 11 15 272.4 265.7 1,245.1 44.9 817.2 12 22.4 291.2 295.2 33.5 16.0 95.8 13 23.9 299.6 301.2 0.0 2.6 1.9 14 26.6 307.6 311.9 119.1 18.5 43.7 15 30.7 320.4 328.2 740.6 60.8 376.9 Total The coefficient of determination () is The F-ratio is which eans that the assessor reject, at the 5% level of significance, the null hypotbesis that there is no relationship between the selling price and the area of the house. (Hint: The critical value of Foos1s is 4.67.) Which of the foillowing is an appraximate 95% prediction interval for the selling…
calculate the correlation coefficient to three decimal places, x is 4,5,6,7,8,9, y, 6.05,8.64,3.93,4.92,2.31,4
R1
The data in the table is the number of absences for 7 students and their corresponding grade. Number of Absences Grade0 5.51 52 4.53 3.55 37 2.58 2 Step 1 of 3: Calculate the correlation coefficient, r. Round your answer to six decimal places.
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e7. Calculate coefficient of correlation for the following data by short-cut method: 54 58 62 66 68 70 72 58 44 64 52 65 72 81 y

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Calculate the coefficient of correlation and its probable error from the following: 8 7 S.No : 1 4 Statistics Biology Zoology English Physics Chemistry 76 Mathematics Hindi Subjects: % marks in end Year Exam. : 75 70 77 81 84 75 79 68 65 60 69 72 76 72 % marks in sessionals : 62