Question

Calculate the number of items for which r = 0.8, Sigma*x * y = 200 , standard deviation = 5; and Sigma x^ 2 =100, where x and y denotes deviation of items from actual mean​

Answer 1

Answer:

10

Explanation:

Calculate the number of items for which r = 0.8, Sigma*x * y = 200 , standard deviation = 5; and Sigma x^ 2 =100, where x and y denotes deviation of items from actual mean