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Q. Explain Correlation Coefficient?
Ans.
The strength of a linear correlation is determined by how precisely the y variable shifts as the x variable increases. The two pictures on the right show data with a higher correlation than those on the left.
Data is said to have a perfect correlation if all points lie exactly along a line.
The correlation coefficient, r, is a measure of the strength of the correlation. It is a number between 1 and +1. +1 indicates a perfect positive correlation and 1 indicated a perfect negative correlation. If r is positive, then there is a positive correlation between the two variables. If r is negative, there is a negative correlation between the variables.
The mean number of hours of flying time for pilots at Continental Airlines is 49 hours per month (The Wall Street Journal, February 25, 2003). Assume that this mean was based on ac
HOW DO U CALCULATE VARIABLE SELLING AND ADMINISTRATIVE EXPENSES IF GIVEN MARKETING COSTS ADVERTSING P6000 PER MONTH SALES PERSONNEL SALARIES AND COMMISSION R 80000 PER MONTH PLUS
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A. Describe what a z score is. B. Explain why they can be used to compare scores from different distributions.
What is the complete answer and files for this document
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IF PUNDIT 2 IS CORRECT, FEMROLE WILL HAVE (CIRCLE ONE)
It is a numerical average, as equal to the sum of terms in a given series divided by the number of terms in that series is the mean which is also called the expected value.
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