3. An analysis of variance is used to evaluate the mean differences for a research study comparing four treatments with a separate sample of n = 5 in each treatment. If the data produce an F-ratio of F = 3.15, then which of the following is the correct statistical decision? a. Reject the null hypothesis with U. = .05 but not with 0'. = .01. b. Reject the null hypothesis with either CL = .05 or at = .01. e. Fail to reject the null hypothesis with either 0!. = .05 or CL = .01. d. There is not enough information to make a statistical decision