A researcher performs a 3 x 5 ANOVA examining how preferences for engagement with friends varied as a function of age (20, 30, or 40 year olds) and social media tools (Facebook, Twitter, LinkedIn, Google+, Instagram) with 26 participants in each cell of the study design. Using alpha of 0.05 and the closest values on the table in our textbook, what is the critical cutoff for the test of age?
	2.14 3.04 4.71 2.42