Question

Calculate the correlation coefficient r, Row 1 represent the x-values and Row 2 the y-values. Then calculate it again, lettin

0 0
Add a comment Improve this question Transcribed image text
Answer #1

Solution :

X Y XY X^2 Y^2
16 129 2064 256 16641
27 166 4482 729 27556
40 197 7880 1600 38809
50 156 7800 2500 24336
57 140 7980 3249 19600
62 133 8246 3844 17689
77 172 13244 5929 29584
n 7
sum(XY) 51696.00
sum(X) 329.00
sum(Y) 1093.00
sum(X^2) 18107.00
sum(Y^2) 174215.00
Numerator 2275.00
Denominator 21448.42
r 0.1061
r square 0.0113
Xbar(mean) 47.0000
Ybar(mean) 156.1429
SD(X) 16.2993
SD(Y) 23.3006
b 0.1229
a 150.3656

media%2Fc5a%2Fc5a06565-b735-455a-8621-0c

r = 0.106

Add a comment
Know the answer?
Add Answer to:
Calculate the correlation coefficient r, Row 1 represent the x-values and Row 2 the y-values. Then calculate it again, letting Row 2 represent the x-values and Row 1 the y-values. What effect does sw...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • 7. Find the equation of the regress ion line by letting Row 1 represent the x-values...

    7. Find the equation of the regress ion line by letting Row 1 represent the x-values and Row 2 represent the y-values. Now find the equation of the regression line letting Row 2 represent the x-valu es and Row 1 represent the y-values What effect does switching the explanatory and response variables have on the regression line? Support your answ er by showing the equation for each situ ation. Row 1-43 5 1 -2-2 0 -1 3 -4 Row 2-10-7...

  • ses> MAT-152-80OL 2018FA> Chapter 9 and Final Test>Quiz- Chapter 9A Provide an appropriate response ulate the...

    ses> MAT-152-80OL 2018FA> Chapter 9 and Final Test>Quiz- Chapter 9A Provide an appropriate response ulate the coefficient of correlation,.f,.letting Row 1 represent the x-values and Row 2 represent the y-values. Now calculse the coeffickent of comelation,. leting Row 2 aprsene the s-vabes and Row 1 represent the y-values. What effect does switching the explanatory and response variables have on the correlation coefficient? Rowrt-하하하寸寸升허하하하 Row 1 L6 Answer Finish atempt age

  • Use the table of values to calculate the linear correlation coefficient r. x y 4 -5...

    Use the table of values to calculate the linear correlation coefficient r. x y 4 -5 53 -1 86 13 162 16 A. r = 0.918 B. r = 0.464 C. r = 0.619 D. r = 0.862

  • Please consider the following values for the variables X and Y. Treat each row as a...

    Please consider the following values for the variables X and Y. Treat each row as a pair of scores for the variables X and Y (with the first row providing the labels "X" and "Y"). X Y 2 4 4 3 6 5 7 7 11 6 Please calculate Pearson's correlation coefficient (r) for these data and report your answer below. When reporting your answer, please provide three decimal places (if relevant).

  • Let r be the correlation coefficient. Denote the explanatory variable by X and the responsible variable...

    Let r be the correlation coefficient. Denote the explanatory variable by X and the responsible variable by Y . Which statement is correct ? (A) Positive r indicates a perfect linear relationship between X and Y . (B) r is always a number between 0 and 1. (C) r is almost 0 if values of X’s and Y ’s are all positive. (D) The correlation of variables −X and Y is −r. (E) None of the above.

  • Question 7 1 pts Which of the correlation values represent a perfect linear relationship between x...

    Question 7 1 pts Which of the correlation values represent a perfect linear relationship between x and y? .05 0 1 100 -1 Question 8 1 pts Match the correlation coefficient to its variable. population correlation [Choose ] sample correlation [Choose)

  • Standard Score for X х Y Y-X 35 102 Task 2 27 133 42 92 Compute...

    Standard Score for X х Y Y-X 35 102 Task 2 27 133 42 92 Compute the values in the highlighted cells 55 61 136 165 142 110 167 Factorial Combinations 38 24 Permutations N= 40 73 r= 7 92 62 162 172 NAME: Sum Sum of Squares Sum of Products Average (Mean) Sample Variance Sample Standard Deviation Correlation Task 1 Compute the values in the highlighted cells Draw a scatterplot for X, Y Draw a bar chart for X

  • Compute the Pearson Correlation Coefficient, r, for the following data X Y 1 7 3 4...

    Compute the Pearson Correlation Coefficient, r, for the following data X Y 1 7 3 4 5 3 4 2 2 4 Note: If it is a decimal number with two or more than two places, leave only two decimal places after the decimal point and do not round. If it is a negative correlation, please do not forget to include the negative sign. 1a) The Pearson Correlation, r is: 1b) The correlation is Group of answer choices a) Medium...

  • Compute the correlation coefficient for the data below. x values -5 -1 5 y values 5...

    Compute the correlation coefficient for the data below. x values -5 -1 5 y values 5 3 -4 a. 0.932 b. –0.343 c. –0.490 d. –0.981

  • 9-3 74 4. l point) Caleulate the correlation coefficient r. This table is intended to help...

    9-3 74 4. l point) Caleulate the correlation coefficient r. This table is intended to help you set up the caleulation the correlation coefficient by hand. If you'd like to use your T1-34 instead go for it Column A:Colume B: The x deviations from The y deviations from the mean: (x,-x)the mean: -y B: Multiply the values in the Columas A and B. The product of the deviations. 3.5-7.65- 4.15 62-7.65 =-1.45 9.5-7.65-1.85 11.4-7.65 3.75 Sum the above rows for...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT