The accompanying table shows the ages (in years) of 11 children and the numbers of words in their vocabulary. Complete parts (a) through (d) below. Click here to view the data table. Click here to view the table of critical values for the Pearson correlation coefficient. (a) Display the data in a scatter plot. Choose the correct graph below. A. 3000 2400- 1800- 1200- 600- 0+ E 0 2 4 6 8 Age (years) (b) Calculate the sample correlation coefficient r. r= (Round to three decimal places as needed.) OB. 3000- 2400- 1800- 1200- 600- 0+ 0 2 4 6 8 Age (years) OC. O D. 0 1500 3000 Age (years) 1500 Age (years) 3000 a G

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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The accompanying table shows the ages (in years) of 11 children and the numbers of words in their vocabulary. Complete parts (a) through (d) below.
Click here to view the data table. Click here to view the table of critical values for the Pearson correlation coefficient.
(a) Display the data in a scatter plot. Choose the correct graph below.
A.
3000
2400-
1800-
1200-
600-
0+
E
0 2 4 6 8
Age (years)
(b) Calculate the sample correlation coefficient r.
r=
(Round to three decimal places as needed.)
OB.
3000-
2400-
1800-
1200-
600-
0+
0 2 4 6 8
Age (years)
OC.
O D.
0
1500
3000
Age (years)
1500
Age (years)
3000
a
G
Transcribed Image Text:The accompanying table shows the ages (in years) of 11 children and the numbers of words in their vocabulary. Complete parts (a) through (d) below. Click here to view the data table. Click here to view the table of critical values for the Pearson correlation coefficient. (a) Display the data in a scatter plot. Choose the correct graph below. A. 3000 2400- 1800- 1200- 600- 0+ E 0 2 4 6 8 Age (years) (b) Calculate the sample correlation coefficient r. r= (Round to three decimal places as needed.) OB. 3000- 2400- 1800- 1200- 600- 0+ 0 2 4 6 8 Age (years) OC. O D. 0 1500 3000 Age (years) 1500 Age (years) 3000 a G
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