Calculate co-efficient of correlation from the following data :500100015002000X:Y:250030003500100200300400500600700

Given: X 500 1000 1500 2000 2500 3000 3500 Y 100 200 300 400 500 600 700

Answered: Calculate co-efficient of correlation…

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 researcher wants to see if the amount of water a person drinks relates to the temperature outside. Temperature (F) Water consumption (oz) 72 15 84 23 87 28 80 21 97 37 90 48 99 48 85 33 87 35 77 22 65 14 98 22 89 41 97 45 78 19 92 41 84 38 71 23 88 29 78 17 SPSS Output (Correlation Matrix and Scatterplot): Describe the relationship in non-technical terms and any potential third variables: Report the Correlation in APA format:
The following data refers to the amount of caffeine (in mg) consumed by ten university students and their time to complete a practice test (in minutes) for a Economics Exam. Time Caffeine 75 180 83 150 65 195 60 240 82 120 58 280 52 270 66 190 55 300 60 250 Calculate the correlation coefficient for the data above, summarize the calculations in a table, intrepret the result . Show each step of the calculations and carry three decimal places in all of the calculations
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2. Find rank correlation co-efficient for the following đata and give your comments. Marks in Accounts (x): 84 56 89 58 59 67 74 78 Marks in Maths (y): 38 69 56 58 63 78 87 77 CS Scanned with CamScanner
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Perform rank correlation analysis on the following data set: x y -5 1.9 -4 0.9 -3.25 0.7 -2.55 -0.5 -1.85 -1.2 -0.9 -1.7 5.5511151231258E-17 0.7 0.8 1.5 1.55 1.6 2.35 -0.1 3.3 0.8 4.1 -1.1 5.1 -0.9 5.8 -0.8 6.7 0.7 What is the rank correlation coefficient? (Round to three decimal places.) What is the critical rho value at a 0.01 significance? Do we have correlation? Yes, the rank correlation coefficient is smaller (in absolute value) than the critical rho value. No, the rank correlation coefficient is larger (in absolute value) than the critical rho value. No, the rank correlation coefficient is smaller (in absolute value) than the critical rho value. Yes, the rank correlation coefficient is larger (in absolute value) than the critical rho value.
Table #10.1.6 contains the value of the house and the amount of rental income in a year that the house brings in ("Capital and rental," 2013). Find the correlation coefficient of determination and then interpret both Table #10.1.6: Data of House Value versus Rental Value Rental Value Rental Value Rental Rental Value 67500 81000 6656 77000 4576 75000 7280 6864 95000 7904 94000 8736 90000 6240 85000 7072 121000 12064 115000 7904 110000 7072 104000 7904 135000 8320 130000 9776 126000 6240 125000 7904 145000 8320 140000 9152 7488 9568 140000 135000 7488 165000 13312 165000 8528 155000 148000 8320 178000 11856 174000 10400 170000 9568 170000 12688 匯 190000 200000 225000 8320 12272 8528 200000 200000 10608 194000 11232 8320 10400 11648 10192 12272 10400 200000 240000 214000 208000 240000 10192 240000 12064 12480 244500 11232 12896 12480 289000 11648 270000 262000 325000 12480 310000 303000 300000 12480
Find the co-efficient of correlation for the following table : x: 10 14 18 22 26 30 у: 18 12 24 6 30 36
33 Calculate the coefficient of rank correlation from the following data:- X 60 34 40 50 41 22 43 42 66 64 46 Y 75 32 34 40 45 33 12 30 36 72 41 57 45
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Calculate co-efficient of correlation from the following data : 500 1000 1500 2000 2500 3000 600 3500 Y: 100 200 300 400 500 700