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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A student of Engineering conducted a research to determine the correlation between performance of 2 lathes in the workshop. Assessments were conducted on weekly basis, and the following data were obtained. Calculate the coefficient of correlation using Karl Pearson's method, and discuss the level of the relationship. Table 2. The performance of the lathes on weekly basis. Week(s) 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th Lathe A 42 48 40 28 46 90 28 56 16 22 Lathe B 56 78 72 24 60 42 36 82 28 34 良

The authors of a paper presented a correlation analysis to investigate the relationship between maximal lactate level x and muscular endurance y. The accompanying data was read from a plot in the paper. X 390 740 760 y 3.90 r 3.90 5.00 5.30 4.10 3.60 6.20 OH₂: P = 0 Ha: P 0 1,465 1,470 1,495 2,190 t = P-value = 6.98 7.45 4.85 7.70 4.55 6.70 8.80 OH₂: P = 0 H₂: P = 0 Compute the value of the sample correlation coefficient, r. (Round your answer to four decimal places.) Calculate the test statistic and determine the P-value. (Round your test statistic to one decimal place and your P-value to three decimal places.) State the conclusion in the problem context. O Fail to reject Ho. A positive correlation exists between maximum lactate level and muscular endurance. Reject Ho. A positive correlation exists between maximum lactate level and muscular endurance. O Fail to reject Ho. A positive correlation does not exist between maximum lactate level and muscular endurance. O Reject Ho. A…
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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…
Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both tests and the results are shown below. Test A (x) 43 65 73 34 99 78 65 Test B (y) 39 60 62 20 85 70 54 1. Calculate r, the linear correlation coefficient. Identify the values for each part below. Part a. The value of n Part b. The sum of the x-values Part c. The sum of the y-values Part d. The sum of the x-squared values Part e. The sum of the y-squared values Part f. The sum of the (xy) values Part g. The final value of r rounded top three decimal places
Suppose in a given problem about the correlation between height and weight of 20 college students, we come up with an r value of 0.93. What is the value of the coefficient of determination? a. 0.84b. 0.85c. 0.86d. 0.87
2.) The table shown below are the raw scores obtained by eight (8) students. Is there a relationship in their scores in Mathematics and in Biology? Use Pearson Product-Moment Coefficient of Correlation to establish the relationship. Student 1 3 4 6. 8. Mathematics (x) 6. 3. 4 3 Biology (y) 8. 3. 7 4
R1
13.
i would like only (d) to be solved

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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