Consider two classes of business statistics

Consider two classes of business statistics.  Suppose that average test score for the first class is 82 and the average test score for the second class is 76.2.  What is the point estimate for the difference in the mean test scores?  Answer to as many decimal places as necessary. Consider two classes of business statistics.  Suppose that average test score for the first class is 79 and the average test score for the second class is 84.9.  What is the point estimate for the difference in the mean test scores?  Answer to as many decimal places as necessary.