An analysis of variance is used to evaluate the mean differences for a research study comparing four treatments with a separate sample of n = 8 in each treatment. If the data produce an F-ratio of F = 5.50, then which statistical decision is correct? ​a. Reject the null hypothesis with α = .05 but not with α = .01. ​b. Reject the null hypothesis with either α = .05 or α = .01. ​c. Fail to reject the null hypothesis with either α = .05 or α = .01. ​d. There is not enough information to make a statistical decision

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An analysis of variance is used to evaluate the mean differences for a research study comparing four treatments with a separate sample of n = 8 in each treatment. If the data produce an F-ratio of F = 5.50, then which statistical decision is correct?

​a. Reject the null hypothesis with α = .05 but not with α = .01.
​b. Reject the null hypothesis with either α = .05 or α = .01.
​c. Fail to reject the null hypothesis with either α = .05 or α = .01.
​d. There is not enough information to make a statistical decision.
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