Calculate the Covariance and Correlation from the table below State of Economy Probability A 0.1 B C D E 0.2 0.4 0.2 0.1 Returns(x) -8% 10% 8% 5% -4% Returns (Y) 14% -4% 6% 15% 20%
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- Using technology, what is the correlation coefficient? The weight (in pounds) and height (in inches) for a child were measured every few months over a two-year period. The results are given in the table. O -0.997 O -0.503 Weight (x) 8. 12 18 24 30 32 35 37 40 O 0.503 Height (y) 22 23 26 30 32 33 5 36 38 O 0.997Interpret the Correlation Coefficient -0.9 It is Strong Positive It is Weak Negative It is Weak Positive It is Strong NegativeThe value of the correlation that represents the weakest linear correlation. -0.24 0.50 0.35 0.00
- Annual high temperatures in a certain location have been tracked for several years. Let X represent the year and Y the high temperature. Based on the data shown below, calculate the correlation coefficient (to three decimal places) between X and Y. y 1 18.66 2 24.02 24.08 4 27.14 30.9 6 35.16 7 37.12 8 37.68 9 40.94 10 45.6 11 45.56 12 48.72 13 51.48 r =performance in 2009. Analysis of this data reveals a correlation coefficient of r=−0.2234. What would be the predicted stock return for a company whose CEO made $15 million? What would be the predicted stock return for a company whose CEO made $25 million? What would be the predicted stock return for a company whose CEO made $15 million? % (Type an integer or decimal rounded to one decimal place as needed.)Annual high temperatures in a certain location have been tracked for several years. Let XX represent the year and YY the high temperature. Based on the data shown below, calculate the correlation coefficient (to three decimal places) between XX and YY. Use your calculator! x y 3 14.3 4 13.89 5 15.58 6 14.87 7 12.66 8 10.15 9 9.54 10 8.13 11 11.42 12 9.81 13 6.6 r=
- Based on the SPSS correlation matrix below, what do we know about the t-score value for each tested relationship?Annual high temperatures in a certain location have been tracked for several years. Let X represent the year and Ý the high temperature. Based on the data shown below, calculate the correlation coefficient (to three decimal places) between X and Y. Use your calculator! y 3 24.31 4 21.82 22.63 6 22.54 7 21.35 8. 20.06 6. 18.47 10 18.98 11 18.29 12 16.3Sketch a scatter plot and estimate the Pearson correlation . And then Compute the Pearson correlation. X VALUES: 0,2,1,1 | Y VALUES: 4,9,6,9
- • What is the linear correlation coefficient of the data shown in the scatterplot below? (A) r = -0.99 (B) r = 0.99 (C) r=-0.73 (D) r=0.73Annual high temperatures in a certain location have been tracked for several years. Let XX represent the year and YY the high temperature. Based on the data shown below, calculate the correlation coefficient (to three decimal places) between XX and YY. Use calculator/Excel! x y 3 22.92 4 23.3 5 19.68 6 17.96 7 18.34 8 18.22 9 16.2 10 14.48 11 11.56 12 11.04 13 11.52 14 10.2 r=r=y: 30 -10 50 10 1 25 -15-60 15 8 35 20-5 7. 10 9. -40 -5 X: 9. 3 4 6. 0.05. Test for significant positive (linear) correlation at a =