Several factors influence the size of the F-ratio. For 1a and 1b, select the pair that best represents whether the following factors influence the numerator or the denominator of the F-ratio, as well as whether the size of the F-ratio would increase or decrease as a result. Note: In each case, assume that all other factors are held constant An increase in the difference between the sample means? denominator/ decrease numerator /increase denominator /increse  numerator/ decrease

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