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. Click here to view the data set. Click here to view the critical values table. (a) Draw a scatter diagram of the data. Choose the correct graph below. C. A. В. D. у 20- у 20 у 20- 20- х х х X 0- 0 0- 0 0- 10 10 10 10 (b) By hand, compute the correlation coefficient. The correlation coefficient is r= (Round to three decimal places as needed.) (c) Determine whether there is a linear relation between x and y. Because the correlation coefficient is and the absolute value of the correlation coefficient, is than the critical value for this data set, linear relation exists between x and У. (Round to three decimal places as needed.) Critical values for the correlation coefficient is a linear relation between x and y. Critical Values for Correlation Coefficient 3 0.997 D. 4 0.950 0.878 5 у 20- 0.811 0.754 7 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16 0.497 17 0.482 18 0.468 19 0.456 20 0.444 21 0.433 22 0.423 23 0.413 24 0.404 25 0.396 26 0.388 Data set 2 6 7 х 4 8 12 13 18 У Print Done 27 0.381. Print Done X
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. Click here to view the data set. Click here to view the critical values table. (a) Draw a scatter diagram of the data. Choose the correct graph below. C. A. В. D. у 20- у 20 у 20- 20- х х х X 0- 0 0- 0 0- 10 10 10 10 (b) By hand, compute the correlation coefficient. The correlation coefficient is r= (Round to three decimal places as needed.) (c) Determine whether there is a linear relation between x and y. Because the correlation coefficient is and the absolute value of the correlation coefficient, is than the critical value for this data set, linear relation exists between x and У. (Round to three decimal places as needed.) Critical values for the correlation coefficient is a linear relation between x and y. Critical Values for Correlation Coefficient 3 0.997 D. 4 0.950 0.878 5 у 20- 0.811 0.754 7 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16 0.497 17 0.482 18 0.468 19 0.456 20 0.444 21 0.433 22 0.423 23 0.413 24 0.404 25 0.396 26 0.388 Data set 2 6 7 х 4 8 12 13 18 У Print Done 27 0.381. Print Done X
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text: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.
Click here to view the data set.
Click here to view the critical values table.
(a) Draw a scatter diagram of the data. Choose the correct graph below.
C.
A.
В.
D.
у
20-
у
20
у
20-
20-
х
х
х
X
0-
0
0-
0
0-
10
10
10
10
(b) By hand, compute the correlation coefficient.
The correlation coefficient is r=
(Round to three decimal places as needed.)
(c) Determine whether there is a linear relation between x and y.
Because the correlation coefficient is
and the absolute value of the correlation coefficient,
is
than the critical value for this data set,
linear relation exists between x and
У.
(Round to three decimal places as needed.)
Transcribed Image Text:Critical values for the correlation coefficient
is a linear relation between x and y.
Critical Values for Correlation Coefficient
3
0.997
D.
4
0.950
0.878
5
у
20-
0.811
0.754
7
0.707
9
0.666
10 0.632
11 0.602
12 0.576
13 0.553
14 0.532
15 0.514
16 0.497
17 0.482
18 0.468
19 0.456
20 0.444
21 0.433
22 0.423
23 0.413
24 0.404
25 0.396
26 0.388
Data set
2
6
7
х
4
8
12
13
18
У
Print
Done
27 0.381.
Print
Done
X
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