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. Data table ..... (a) Display the data in a scatter plot. Choose the correct graph below. OA. Age, x Vocabulary size, y O 3000- S Critical values for the pearson correlation coefficient 3 2400- 260 1800 1200- 3 520 Coefficient 1100 600- 5 2300 0- 0 2 4 6 8 Age (years) The correlation is significant when the absolute value of is greater than the value in the table. 6 2600 3 610 2100 (b) Calculate the sample correlation coefficient r. a = 0.05 0.950 0.878 0.811 0.754 0.707 0.666 0.632 a = 0.01 0.990 250 4. 4. 1400 0.959 0.917 0.875 0.834 0.798 0.765 0.735 (Round to three decimal places as needed.) 6 6. 2400 7. 8. 9. 10 Print Done 0.602 0.576 0.553 0.532 0.514 0.497 11 12 0.708 13 0.684 14 0.661 15 0.641 16 0.623 0.606 0.590 Check answe 17 0.482 Clear all Help me solve this View an exampl 0 468 18 7:14 AM 61°F 11/16/2021 Type here to search
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. Data table ..... (a) Display the data in a scatter plot. Choose the correct graph below. OA. Age, x Vocabulary size, y O 3000- S Critical values for the pearson correlation coefficient 3 2400- 260 1800 1200- 3 520 Coefficient 1100 600- 5 2300 0- 0 2 4 6 8 Age (years) The correlation is significant when the absolute value of is greater than the value in the table. 6 2600 3 610 2100 (b) Calculate the sample correlation coefficient r. a = 0.05 0.950 0.878 0.811 0.754 0.707 0.666 0.632 a = 0.01 0.990 250 4. 4. 1400 0.959 0.917 0.875 0.834 0.798 0.765 0.735 (Round to three decimal places as needed.) 6 6. 2400 7. 8. 9. 10 Print Done 0.602 0.576 0.553 0.532 0.514 0.497 11 12 0.708 13 0.684 14 0.661 15 0.641 16 0.623 0.606 0.590 Check answe 17 0.482 Clear all Help me solve this View an exampl 0 468 18 7:14 AM 61°F 11/16/2021 Type here to search
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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.
Data table
(a) Display the data in a scatter plot. Choose the correct graph below.
OA.
Age, x
Vocabulary size, y O
3000-
S
Critical values for the pearson correlation coefficient
1
3
2400-
2
260
1800-
3
520
1200-
Coefficient
1100
600-
5
2300
0-
0 2 4 6 8
The correlation is significant when the absolute value of ,
is greater than the value in the table.
6
2600
Age (years)
610
2100
(b) Calculate the sample correlation coefficient r.
a = 0.05
0.950
0.878
0.811
0.754
0.707
0.666
0.632
0.602
a = 0.01
0.990
0.959
0.917
0.875
0.834
0.798
0.765
0.735
250
4
4
1400
(Round to three decimal places as needed.)
6
6.
2400
7.
8.
9
10
11
Print
Done
12
0.576
0.708
0.684
0.661
0.641
13
0.553
0.532
14
15
0.514
16
0.497
0.623
Check answe
0.606
0.590
17
0.482
Clear all
Help me solve this
View an exampl
0 468
18
7:14 AM
61°F
11/16/2021
Type here to search
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