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. OA. OB. 3000 2400- 1800- 1200- 600- 0- + 0 2 4 6 8 Age (years) There is Q G (b) Calculate the sample correlation coefficient r. 8- 6- 4- 2- 0 1500 Age (years) 3000 Q Q r= (Round to three decimal places as needed.) (c) Describe the type of correlation, if any, and interpret the correlation in the context of the data. linear correlation. Interpret the correlation. Choose the correct answer below. O A. As age increases, the number of words in children's vocabulary tends to increase. OB. As age increases, the number of words in children's vocabulary tends to decrease. O C. cabulary size 8 6- 4- 2- 0- 0 1500 Age (years) 3000 Q Q O D. Vocabulary size 3000- 2400 1800- 1200- 600- 04 0 2 4 6 8 Age (years) Q Q
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. OA. OB. 3000 2400- 1800- 1200- 600- 0- + 0 2 4 6 8 Age (years) There is Q G (b) Calculate the sample correlation coefficient r. 8- 6- 4- 2- 0 1500 Age (years) 3000 Q Q r= (Round to three decimal places as needed.) (c) Describe the type of correlation, if any, and interpret the correlation in the context of the data. linear correlation. Interpret the correlation. Choose the correct answer below. O A. As age increases, the number of words in children's vocabulary tends to increase. OB. As age increases, the number of words in children's vocabulary tends to decrease. O C. cabulary size 8 6- 4- 2- 0- 0 1500 Age (years) 3000 Q Q O D. Vocabulary size 3000- 2400 1800- 1200- 600- 04 0 2 4 6 8 Age (years) Q Q
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
Plz help asap 40 need crit value as well
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.
OA.
3000+
2400-
1800-
1200-
600-
0-
+
0 2 4 6 8
Age (years)
There is
Q
G
(b) Calculate the sample correlation coefficient r.
OB.
8-
6-
4-
2-
0
1500
Age (years)
Interpret the correlation. Choose the correct answer below.
3000
Q
r=
(Round to three decimal places as needed.)
(c) Describe the type of correlation, if any, and interpret the correlation in the context of the data.
linear correlation.
Q
O A. As age increases, the number of words in children's vocabulary tends to increase.
OB. As age increases, the number of words in children's vocabulary tends to decrease.
O C.
Vocabulary size
84
6-
4-
2-
0-
0
1500
Age (years)
3000
Q
Q
O D.
Vocabulary size
3000+
2400+
1800-
1200-
600-
04
0 2 4 6 8
Age (years)
Q
Q
Transcribed Image Text:Data Table
Age, x
123 56 35 246
4
Vocabulary size, y
6
240
540
1300
2300
2500
730
2100
270
1400
2300
0
-
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