I am not sure how to calculate the sample correlation and need help.

9.1.23-T 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. O A. O B. &C. O D. 3000- Vocabulary size Vocabulary size 3000- + Vocabulary size 2400- 2400- 1800- 1800- 1200- 1200- 600- 2- 600- Vocabulary size 0 2 4 6 8 1500 3000 0 2 4 6 8 1500 3000 Age (years) Age (years) Age (years) Age (years) (b) Calculate the sample correlation coefficient r. (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer. 3 parts remaining Clear All Check Answ O o P W N x 7 DELL ESC F3 F4 F5 F6