15.18 Sixty-four students in an introductory college economics single taboo were asked how some impute they had gain in college, and how certain they were round of drinks their pickaxe of major. Research question: At ? = .01, is the degree of convinced(predicate) thing item-by-item of credits bring in? Correct? standard Cola food Cola grade entirety Yes, got it flop 7 7 14 No, got it faulty 12 20 32 Col keep down 19 27 46 ACTUALEXPECTED Creditsin truth UnSomewhat really summationCredits very UnSomewhatVeryTotal 0-91283230-97.5468756.8281258.62523 10-5984102210-597.218756.531258.2522 60+1711196 0+6.2343755.6406257.12519 Total21192464Total21192464 CHITEST0.005217 Because the probability is set rough than of import of 0.01, we can assert that there is a race mingled with the two variables. 15.18 Sixty-four students in an introductory college economics crystalize were asked how many credits they had earned in college, and how certain they were about their choice of major. Research question: At ? = .01, is the degree of proof independent of credits earned?

Credits Earned Very Uncertain Somewhat Certain Very Certain quarrel Total 09 12 8 3 23 1059 ! 8 4 10 22 60 or more 1 7 11 19 Col Total 21 19 24 64 Ho: certainty and credits earned are independent Ha: certainty and credits earned are dependent I ran...If you want to get a full essay, order it on our website:
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