| Two variates, x and y, are uncorrelated and have standard deviations and respectively. What is the correlation coefficient between x + y and x – y?

A.

B.

C.

D.

### Right Answer is: C

#### SOLUTION

=

=

=

=

=

X nd y are uncorrelated

=

=

=

Skip to content
# Two variates, x and y, are uncorrelated and have standard deviations a

### Right Answer is: C

#### SOLUTION

| Two variates, x and y, are uncorrelated and have standard deviations and respectively. What is the correlation coefficient between x + y and x – y?

A.

B.

C.

D.

=

=

=

=

=

X nd y are uncorrelated

=

=

=