Section 9.1
Question 6, 9.1.23-T Part 2 of 5
HW Score: 56.43%, 11.29 of 20 points
Points: 0.71 of 5
K
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.
X Critical Values for the Pearson Correlation Coefficient
a) Display the data in a scatter plot. Choose the cor
a a
Critical Values for the Pearson Correlation Coefficient The correlation is significant when the absolute value of is greater than the value in the table. n 0.05 0.01 0.950 0.990 0.878 0.959 0.811 0.917 0.754 0.875 0.707 0.834 0.666 0.798 0.632 0.765 0.602 0.735 0.576 0.708 0.553 0.684 0.532 0.661 0.514 0.641 0.497 0.623 0.482 0.606 0.468 0.590 0.456 0.575 0.444 0.561 0.433 0.549
c) 500 3000
02460 e(ye)
b) Calculate the sample correlation coefficient
(Round to three decimal places as needed)