Question

A sample data set produced the following information. n=15, ∑x=120, ∑y=210, ∑xy=3570, ∑x2=1310, ∑y2=25924 Calculate the...

A sample data set produced the following information.

n=15, ∑x=120, ∑y=210, ∑xy=3570, ∑x2=1310, ∑y2=25924

Calculate the linear correlation coefficient r.

Round your answer to two decimal places.

r=

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Question 1: The following information is obtained from a sample data set. n = 20 ,...
Question 1: The following information is obtained from a sample data set. n = 20 ,   ∑​x = 130 ,   ∑​y = 960 ,   ∑​x y = 4908 ,   ∑​x 2 = 882 Find the estimated regression line.   y ^ = Enter you answer to the field 1 in accordance to the question statement + ( Enter you answer to the field 2 in accordance to the question statement ) x Question 2: A sample data set produced the following...
Using the data below find the linear correlation coefficient. X          y       xy       x2          y2
Using the data below find the linear correlation coefficient. X          y       xy       x2          y2 3          4       12      9             16 4          6       24      16           36 5          7       35      25           49 7          12     84      49         144 8          14     112    64         196 27        43     267    163     441
The following information is obtained from a sample data set. n=12, ​∑​x=66, ​∑​y=588 , ​∑​xy=2094, ​∑​x2=401...
The following information is obtained from a sample data set. n=12, ​∑​x=66, ​∑​y=588 , ​∑​xy=2094, ​∑​x2=401 Find the estimated regression line. y^= Enter you answer to the field 1 in accordance to the question statement +( Enter you answer to the field 2 in accordance to the question statement )x
Construct a scattergram for each data set. Then calculate r and r2 for each data set....
Construct a scattergram for each data set. Then calculate r and r2 for each data set. Interpret their values. Complete parts a through d. a. x −1 0 1 2 3 y −3 0 1 4 5 Calculate r. r=. 9853.(Round to four decimal places as​ needed.) Calculate r2. r2=0.9709 ​(Round to four decimal places as​ needed.) Interpret r. Choose the correct answer below. A. There is not enough information to answer this question. B.There is a very strong negative...
Construct a scattergram for each data set. Then calculate r and r2for each data set. Interpret...
Construct a scattergram for each data set. Then calculate r and r2for each data set. Interpret their values. Complete parts a through d. a. x−1,0,1,2,3 y−3,0,1,4,5 Calculate r. r=.9853 ​(Round to four decimal places as​ needed.)Calculate r2.=0.9709 ​(Round to four decimal places as​ needed.) Interpret r. Choose the correct answer below. A. There is not enough information to answer this question. B. There is a very strong negative linear relationship between x and y. C.x and y are not related....
Construct a scattergram for each data set. Then calculate r and r2 for each data set....
Construct a scattergram for each data set. Then calculate r and r2 for each data set. Interpret their values. Complete parts a through d. a. x −1 0 1 2 3 y −3 0 1 4 5 Calculate r. r=. 9853. ​(Round to four decimal places as​ needed.)Calculate r2=0.9709​(Round to four decimal places as​ needed.) Interpret r. Choose the correct answer below. A.There is not enough information to answer this question. B.There is a very strong negative linear relationship between...
Calculate the Pearson Product-Moment Correlation Coefficient, r, for the following data set. x y 59 -119...
Calculate the Pearson Product-Moment Correlation Coefficient, r, for the following data set. x y 59 -119 24 -35 50 -107 47 -73 41 -78 72 -117 40 -55 Round your answer to three decimal places.
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...
1. Can you tell a child's shoe size by their age? A chart showing shoe size...
1. Can you tell a child's shoe size by their age? A chart showing shoe size by age for girls was used to obtain the following data: x= age y= shoe size 1 5 2 8 4 10 5 11 7 12 a) Construct a scatter diagram of the data. Make sure to label the axes. b) Does there appear to be a linear relationship? c) Calculate the correlation coefficient r. Show all of your work. Use a table to...
Consider the following small data set. Subject x y 1 15 31 2 7 19 3...
Consider the following small data set. Subject x y 1 15 31 2 7 19 3 10 25 4 4 28 5 5 31 Find the linear correlation coefficient. r=
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT