For the following data(a) display the data in a scatterplot, (b) calculate the correlation coefficientr, and(c) make a conclusion about the type of correlation.

The ages(in years) of 6 children and the number of words in their vocabulary

Age, x Vocabulary size, y

1 150

2 650

3 1200

4 1700

5 2000

6 2600

(b) The correlation coefficient r is ____.

(Round to three decimal places asneeded.)