A sample of Oreendale university uderts sakes a sats esam and ther scores are summarzed below If the mean for the general Greendale population on this test is u 12, can we conclude that those shdana are sigvficantly aineront tom the populanan? Use a two-ta led lest with as 01. Showng work for calculating s2 sM, and tand ist canclsiom Scores 10, 18, 20. 15, 12 Step 1 (what is K. Ho Step Z (what is R Crcal region ep 3 what k ron) atep 4 (what is k) do we sejact ar tail to rejact ? Can you conchude that thesa students are signitcanty aftorart trom the population? what s cohens D? what ae resuts inAPA?

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