Suppose that X is a random variable with mean 30 and standard deviantion 4. Suppose Y is a random variable with mean 50 and standard deviation 8. The correlation between X and Y is .50. Find the variance and standard deviation of the random variable Z, be sure to show your work. 1) 12x-5 2) x-y
Suppose that X is a random variable with mean 30 and standard deviantion 4. Suppose Y is a random variable with mean 50 and standard deviation 8. The correlation between X and Y is .50. Find the variance and standard deviation of the random variable Z, be sure to show your work. 1) 12x-5 2) x-y
Suppose that X is a random variable with mean 30 and standard deviantion 4. Suppose Y is a random variable with mean 50 and standard deviation 8. The correlation between X and Y is .50. Find the variance and standard deviation of the random variable Z, be sure to show your work. 1) 12x-5 2) x-y
Suppose that X is a random variable with mean 30 and standard deviantion 4. Suppose Y is a random variable with mean 50 and standard deviation 8. The correlation between X and Y is .50. Find the variance and standard deviation of the random variable Z, be sure to show your work.
1) 12x-5
2) x-y
Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
