Class Age 1 1-3 2 4-6 6 3 7-9 7 4 10-12 4 Q: Calculate the standard deviation 2. A researcher wants to know the variation in the grades of male and female students, so a sample of 6 people each is taken and the results are as follows: Male: 6 8 6 10 9 9 Female: 8 4 9 10 10 7 R:Determine the coefficient of variation (Variance) for each and explain the results of the calculation