There are 341 calories in 1 Roast Beef Sandwich. Calorie breakdown: 36% fat, 31% carbs, 32% protein.
Definition of Correlation: Correlation is a statistical technique that is used to measure and describe the STRENGTH and DIRECTION of the relationship between two variables. Correlation requires two scores from the SAME individuals.
Loading the player... The correlation coefficient is a measure of how closely two variables move in relation to one another. If one variable goes up by a certain amount, the correlation coefficient indicates which way the other variable moves and by how much. The mathematical formula for the correlation coefficient looks like this: where n is the number of pairs of data.