-15What is the approximate correlation of the data plotted below?y-10●105-$-10O-1 to -0.5-0.5 to 0.5O 0.5 to 1O None of the Above5101

A scatterplot of two variables x and y is given.

Answered: What is the approximate correlation 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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. For α = .05, 2 tails, and n = 15, find the critical value for the Pearson correlation (the rcritical). a. .514 b. .658 c. .537 d. .894
9. With a small sample, a single point can have a largeeffect on the magnitude of the correlation. To createthe following data, we started with the scores fromproblem 8 and changed the first X value from X 1to X 6.X Y6 64 11 41 33 1a. Sketch a scatter plot and estimate the value of thePearson correlation.b. Compute the Pearson correlation.
A researcher obtains a Pearson correlation of r = 0.60 for a sample of n= 6 pairs of X and Y scores. If the researcher tests the significance of the correlation, what value will be obtained for the t statistic? A. 0.6/0.16 = 3.75 B. 0.6/0.4 = 1.50 C. 0/6/0.8 = 0.77 D. 0.6/1.0 = 0.6
For α = .01, 2 tails, and n = 11, find the critical value for the Pearson correlation (the rcritical). .537 .735 .698 .492
The rest of the critical values for correlation coefficient for 29 is 0.367 and for 30 is 0.361 plug 29 and 30 to the picture I sent for the rest of the table
88)A researcher obtains a Pearson correlation of r = 0.43 for a sample of n = 20 participants. For a two-tailed test, which of the following accurately describes the significance of the correlation? a.)The correlation is not significant with either α = .05 or α = .01. b.)The correlation is significant with either α = .05 or α = .01. c.)The correlation is equal to zero. d.) The correlation is significant with α = .05 but not with α = .01.
A set of n=38 pairs of x and y scores has SSx=150 SSy=25 Ex=50 Ey=160 and EXY=200.What is the Pearson correlation for these scores?
Determine the Pearson Correlation Coefficient. A 0.5897B 0.8459C 0.7155D 0.9887
A set of n = 15 pairs of scores (X and Y values) has SSX = 4, SSY = 25, and SP = 6. What is the Pearson correlation for these data? Group of answer choices r = 0.06 r = 0.60 r = 0.10 r = 0.16
A set of n = 5 pairs of X and Y values has SSX = 16, SSY = 4 and SP = 2. For these data, what is the Pearson correlation? Hint: Look VERY carefully at your formula sheet, especially at the alternative definitional formula for r (wow, I can't believe I actually told you that). a. r = 64/64 b. r = 2/8 c. r = 2/64 d. r = Ö2/8
Which of the following statements is true? Select one of the options i. – iv.A positive correlation coefficient can take any value i. greater than -1 and less than or equal to 0ii. greater than 0 and less than or equal to 1iii. less than 1 and greater than or equal to 0iv. None of the above.
A)A set of n=12 of X and Y values produces a Pearson correlation of r= -0.70.Is this a positive of negative correlation? B)how do you determine the strength and consistency of the relationship using the Pearson correlation?

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What is the approximate correlation of the data plotted below? y 5 -10 .. ● 10 5 -10 -1 to -0.5 -0.5 to 0.5 O O O 0.5 to 1 O None of the Above 10