Mathematics > EXAM > Chamberlain College of Nursing, MATH 302 Final Exam 2. Question and Answers (All)

Chamberlain College of Nursing, MATH 302 Final Exam 2. Question and Answers

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MATH 302 Final Exam 2 - Question and Answers Part 1 of 16 - 2.0/ 2.0 Points Question 1 of 23 1.0/ 1.0 Points The data presented in the table below resulted from an experiment in which seeds of 5 d... ifferent types were planted and the number of seeds that germinated within 5 weeks after planting was recorded for each seed type. At the .01 level of significance, is the proportion of seeds that germinate dependent on the seed type? Seed Type Observed Frequencies Germinated Failed to Germinate 1 31 7 2 57 33 3 87 60 4 52 44 5 10 19 A.Yes, because the test value 16.86 is greater than the critical value of 13.28 B.Yes, because the test value 16.86 is less than the critical value of 14.86 C.No, because the test value 16.86 is greater than the critical value of 13.28 D.No, because the test value 13.28 is less than the critical value of 16.86 Answer Key: A Question 2 of 23 1.0/ 1.0 Points The chi-square goodness-of-fit test can be used to test for: A.difference between population means B.difference between population variances C.normality D.significance of sample statistics Answer Key: C Part 2 of 16 - 3.0/ 3.0 Points Question 3 of 23 1.0/ 1.0 Points A linear regression analysis produces the equation y = 5.32 + (-0.846)x Which of the following statements must be true? A.As x increases, y decreases, and the correlation coefficient must be positive. B.As x increases, y increases, and the correlation coefficient must be positive. C.As x increases, y decreases, and the correlation coefficient must be negative. D.As x increases, y increases, and the correlation coefficient must be negative. Answer Key: C Question 4 of 23 1.0/ 1.0 Points In a simple linear regression analysis, the following sum of squares are produced: [Show More]

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