Athlete ages, one more time Repeat the test you did in Exercise 16, but assume that the variances of ages is the same in the two leagues. Did your conclusion change? Why do you think that is? Exercise...

Athlete ages, one more time Repeat the test you did in Exercise 16, but assume that the variances of ages is the same in the two leagues. Did your conclusion change? Why do you think that is?

Exercise 16

Athlete ages, three The researchers in Exercise 12 decide to test the hypothesis that the means are equal. The degrees of freedom formula gives 51.83 df. Test the null hypothesis at a = 0.05.