1. Calculate the 2 value for the contingency table below.

B1 B2

A1 4 9

A2 6 2

Round your answer to two decimal places.

2. Find the correlation coefficient between the two attributes with values:

(3, 1), (-4, -1), (4, 0)

Round your answer to two decimal places.

3. Find the covariance between the two attributes with values:

(3, 1), (-3, -1), (3, 0)

Round your answer to two decimal places.

B1. B2.

A1. 4 9

A2. 6 2

(table for question 1)