13. Calculate the Rank Coefficient of correlation of the following(Repeated Ranks),data.676059:8078757568Y1615171213141414

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Answered: 13. Calculate the Rank 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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The following data show the number of class sessions missed during a semester of SOC221 and the final grade for a sample of 8 students selected at random. Number of Sessions Missed Final Grade (x) (y) 0 96 2 88 12 68 6 91 8…
4. Compute the value of the linear correlation coefficient for the data obtained in the study of the number of absences and the final grade of the seven students in the statistics class given as following data. Students A B C D E F G Number of Absences X 6 2 15 9 12 5 8 Final Grades(%) Y 82 86 43 74 58 90 78
D.Compute and interpret the sample correlation co efficient e. Generate a line of best fit in diagram a and determine an estimate of Y when X is 5
Compute r, the correlation coefficient, using the following data. R=_____ (round to three decimal places)
Required: Compute the coefficient correlation of the data below.
Determine whether the given correlation coefficient is statistically significant at the specified level of significance and sample size. r=−0.765r=−0.765, α=0.05α=0.05, n=22n=22
For α = .01, 2 tails, and n = 25, find the critical value for the Pearson correlation (the rcritical). Group of answer choices .479 .576 .537 .505
For α = .01, 2 tails, and n = 11, find the critical value for the Pearson correlation (the rcritical). .537 .735 .698 .492
With the following data in 6 cities, calculate the coefficient of correlation by Pearson’s method between the density of population and death rate:Cities ABCDEF Area in sq. kilometre 150 Population in ‘000’ 30 No. of Deaths 300180 100 60 120 80 9040427224 1440 560 840 1224 312
calculate the correlation coefficient, r of the following data
12. Calculate the linear correlation coefficient for the data below:
82. What is the linear correlation coefficient, r, for the following set of sample data? 0.8468 0.9747 0.9257 0.9621

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13. Calculate the Rank Coefficient of correlation of the following (Repeated Ranks), 59 data. : 80 78 75 75 68 67 60 Y 12 13 14 14 14 16 15 17