In: Statistics and Probability
At the .10 significance level, is there a difference in the variation in team salary (Salary Column) among the American and National league teams (League Column)? (i.e., are their variances equal?) Select one:
League | Salary |
American | 93.6 |
American | 143 |
American | 108.7 |
American | 61.7 |
American | 95.2 |
American | 67.1 |
American | 103.9 |
American | 71.4 |
American | 189.6 |
American | 79.4 |
American | 106.5 |
American | 24.1 |
American | 68.3 |
American | 89.1 |
National | 66.2 |
National | 87.3 |
National | 99.7 |
National | 68.9 |
National | 54.4 |
National | 30.5 |
National | 87.8 |
National | 108.5 |
National | 71 |
National | 115.2 |
National | 89.4 |
National | 38.5 |
National | 58.1 |
National | 90.2 |
National | 90.3 |
National | 37.3 |
a. p = .118. Reject the null, The variances are not equal.
b. p = .094. Do not reject the null. The variances are equal.
c. There is not enough data to decide this.
d. p = .118. Do not reject the null. The variances are equal.