Question

Consider the following data set consisting of two variables: x 0 3 5 6 8 y...

Consider the following data set consisting of two variables:
x 0 3 5 6 8
y 10 9 7 4 1
(a) Draw a scatter diagram of the data.
(b) Compute the correlation coecient r.
(c) Is there a linear relation between x and y that you are condent about? If so, in what direction? Justify your answer.

Homework Answers

Answer #1

Solution :

using excel

Know the answer?
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
Similar Questions
Given the following sample data set. X= 2 3 5 6 6 Y= 10 9 7...
Given the following sample data set. X= 2 3 5 6 6 Y= 10 9 7 4 2 a. Draw a scatter diagram of the data. (using Ti 84) b. Compute the correlation coefficient r. Then use 0.05 significance level to test whether there is a linear correlation between x and y. (using Ti 84)
For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) compute the...
For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) compute the correlation​ coefficient, and​ (c) determine whether there is a linear relation between x and y. x 2 6 1 7 9 y 8 7 6 9 5
For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) compute the...
For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) compute the correlation​ coefficient, and​ (c) determine whether there is a linear relation between x and y. LOADING... Click the icon to view the data set. LOADING... Click the icon to view the critical values table. ​(a) Draw a scatter diagram of the data. Choose the correct graph below. A. 0 10 0 10 x y A scatter diagram has a horizontal x-axis labeled from 0...
For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) by​ hand,...
For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) by​ hand, compute the correlation​ coefficient, and​ (c) determine whether there is a linear relation between x and y. x   y 2   4 4   8 6   12 6   12 7   20 Data set x 22 44 66 66 77 y 44 88 1212 1212 2020 Critical Values for Correlation Coefficient n 3 0.997 4 0.950 5 0.878 6 0.811 7 0.754 8 0.707 9 0.666 10...
For the following set of data, X Y 1 0 2 2 3 4 4 6...
For the following set of data, X Y 1 0 2 2 3 4 4 6 5 8 a. Compute the Pearson correlation, r, for this data set. b. Re-arrange the Y scores so that the value of r = –1.00.
DATA SET x y 2.1 3.9 3.8 1.3 2.9 3.6 4.7 4.9 (a) Draw a scatter...
DATA SET x y 2.1 3.9 3.8 1.3 2.9 3.6 4.7 4.9 (a) Draw a scatter diagram of the data. Compute the linear correlation coefficient. The linear correlation coefficient for the four pieces of data is____________ (b) Draw a scatter diagram of the data with the additional data point(10.4,9.3). Compute the linear correlation coefficient with the additional data point. The linear correlation coefficient for the pieces of data is_________ Comment on the effect the additional data point has on the...
Data Set: x y 0 4 2 2 2 0 5 -2 6 1 1. Find...
Data Set: x y 0 4 2 2 2 0 5 -2 6 1 1. Find intercept b0 2. Find slope B1 3. Find the best fitted linear regression equation 4.Graph observations 5.Graph the linear equation on the same plot 6. Find the coefficient of Determination r² 7. Find the linear correlation coefficient r 8.Interpret r (the correlation between x & y)
This does not copy well! Looking for the Correlation coefficient by hand. For the accompanying data​...
This does not copy well! Looking for the Correlation coefficient by hand. For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) by​ hand, compute the correlation​ coefficient, and​ (c) determine whether there is a linear relation between x and y. data set. x - 2 4 6 6 7 y - 4 8 11 12 19 Click here to view the critical values table. LOADING... ​(a) Draw a scatter diagram of the data. Choose the...
Consider the following data: X Y 1 13 3 10 5 9 5 5 6 3...
Consider the following data: X Y 1 13 3 10 5 9 5 5 6 3 Draw a Scatter Plot of the data. Do you believe the correlation coefficient r will be positive, negative or close to zero? Why What is your estimate to the value of Y associated with X=4?
Consider the following sample:             x 9 6 7 5 8 y 19 14 16 12...
Consider the following sample:             x 9 6 7 5 8 y 19 14 16 12 15             Calculate the coefficient of correlation. Does correlation coefficient provide information about the relationship between x and y? Explain. Find the linear regression line. Find y, if x is 10.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT