MATH 302 FINAL EXAM, LATEST 2020. A GRADED
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MATH 302 FINAL EXAM, LATEST 2020. A GRADED.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 different 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.significance of sample statistics B.normality C.difference between population variances D.difference between population means Answer Key: B Part 2 of 16 - 3.0/ 3.0 Points Question 3 of 23 1.0/ 1.0 Points In choosing the “best-fitting” line through a set of points in linear regression, we choose the one with the: A.largest number of points on the line B.smallest sum of squared residuals C.smallest number of outliers D.largest sum of squared residuals Answer Key: B Question 4 of 23 1.0/ 1.0 Points A single variable X can explain a large percentage of the variation in some other variable Y when the two variables are: A.directly related B.mutually exclusive C.inversely related D.highly correlated Answer Key: D Question 5 of 23 1.0/ 1.0 Points Outliers are observations that A.disrupt the entire linear trend B.lie outside the typical pattern of points C.lie outside the sample D.render the study useless Answer Key: B [Show More]
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