2-+ 1+
What is the best estimate of the correlation coefficient for the data set?
A. -0.9
ОО
B. -0.5
C. 0.5
O
D. 0.9

There are 48 blue cards total

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.