Consider the groups of numbers in the box below. Group A: 4, 5, 6, 7, 8 Group B: 2, 4, 6, 8, 10 Which statement about Group B is true? A Group B has a larger mean and a larger standard deviation. B Group B has a larger mean and a smaller standard deviation. C Group B has the same mean as Group A and a larger standard deviation. D Group B has the same mean as Group A and a smaller standard deviation.