Question

11. The ages (in years) of 11 children and the number of words in their vocabulary. Find the correlation coefficient r.

Age, x

1

2

3

4

5

6

3

5

2

4

6

Vocabulary size, y

3

220

540

1100

2100

2600

730

2200

260

1200

2500

Answer 1

Start from the bottom now u there 110 languages and 3