We have obtain the following x-y-pairs of data:x1.8104.27-8.3y6.39.67.4-1.3-1.6Compute the correlation coefficient for this data and enter it to at least 2 decimal places.

Answered: Image /qna-images/answer/a153d7f1-60d3-4bcb-961b-b14ce25c331c.jpg

Answered: We have obtain the following x-y-pairs…

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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One of the biggest factors in determining the value of a home is the square footage. The accompanying data represent the square footage and selling price (in thousands of dollars) for a random sample of homes for sale in a certain region. Complete parts (a) through (h) below. E Click the icon to view the housing data. (a) Which variable is the explanatory variable? Square Footage Selling Price (b) Draw a scatter diagram of the data. Choose the correct scatter diagram below. O B. O D. Ay 700 Ay 700 Ay 4500- Ax 4500- 150+ 1000 150- 1000 1000 1000 1000 150 4500 4500 4500 700 (c) Determine the linear correlation coefficient between square footage and asking price. (Round to three decimal places as needed.) Data Table Square Footage, x Selling Price ($000s), y O 2176 375.4 3053 353.3 1170 196.5 2053 350.3 3198 634.8 2780 372.5 4259 650.4 2199 375.2 2565 418.1 1684 294.4 1851 281.3 > 3633 661.9 Print Done •...
4 2. Which of the following correlation coefficients would correspond to a strong linear relationship in a data set? OA. O OB. 0.5 O c. 0.9 OD 100
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.
18
The following zero order correlation coefficients are given : r12 = 0.5 r13 = 0.6 r23 =.7 %3D Calculate the multiple correlation coefficients R1,23, R2.13 and R3.12
Compute r, the correlation coefficient, rounded to two decimal places, for the following paired data set: Data Set 1: 4, 3, 4, 4 Data Set 2: 3, 1, 2, 1 If needed, please round your answer to two decimal places.
2. For this question use the following set of data points. Use Excel's CORREL function to find the value of the correlation coefficient. 1 1 2 2 3 3 3 10 1 2 3 1 3 1 2 3 10 (a) Obtain a scatter plot of the 10 data points. (b) Find the value of the correlation coefficient for the 10 data points. (c) Use Excel with a = 0.05 to determine if there is a linear correlation. Now remove the point with coordinates (10, 10) so there are 9 pairs of points. (d) Obtain a scatter plot of the 9 data points. (e) Find the value of the correlation coefficient for the 9 data points. (f) Use Excel with a = 0.05 to determine if there is a linear correlation. (g) What conclusion do you make about the possible effect of a single pair of values?
Calculate the Spearman's rank correlation coefficient between the following two sets of data: X = [3, 5, 4, 7, 6] Y = [2, 4, 3, 8, 7]
Which of the following measures of correlation is limited in applicability to linear relationships? Select one: а. Intraclass correlation O b. Spearman's Rho Ос. Kendall's Tau O d. Pearson
5. Use the following table to answer the question given below. Coefficient of correlation Dimension Sig (p) with variable F A -0.053 0.000 B 0.821 0.000 C -0.755 0.000 D 0.255 0.000 E -0.632 0.000 7 Comment on the correlation coefficient values (i.e. the relationship and its strength) given in the above table.
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x	1.8	10	4.2	7	-8.3
y	6.3	9.6	7.4	-1.3	-1.6

We have obtain the following x-y-pairs of data: x 1.8 10 4.2 7 -8.3 y 6.3 9.6 7.4 -1.3 -1.6 Compute the correlation coefficient for this data and enter it to at least 2 decimal places.