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