Calculating mean for x and y. Find covariance. Step 2: Find the standard deviation of x. Taking the data for the sum of squares from the previous step, Step 3: Find the standard deviation of y.

Clarify math tasks

When it comes to math, it's important to be able to clarify tasks in order to complete them effectively.

Determine mathematic equations

The Quadratic Formula is used to determine the roots of a quadratic equation.

Free time to spend with your family and friends

I enjoy spending my free time with my family and friends.

The coefficient of determination, often denoted R 2, is the proportion of variance in the response variable that can be explained by the predictor variables in a regression model.