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MATH 302 FINAL EXAM, LATEST 2020. QUESTIONS AND ANSWERS. A GRADED

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MATH 302 FINAL EXAM, LATEST 2020. QUESTIONS AND ANSWERS. A GRADED. Question 1 of 20 1.0/ 1.0 Points What is the term for a characteristic or attribute that can assume different values? A.datum ... B.exponent Correct C.variable D.sample Answer Key: C Question 2 of 20 1.0/ 1.0 Points A pareto chart does NOT have which of the following properties? A.It is used to represent categorical data B.The frequencies are arranged from highest to lowest Correct C.The frequencies are arranged from lowest to highest D.It is a bar chart Answer Key: C Question 3 of 20 1.0/ 1.0 Points Suppose that a histogram of a data set is approximately symmetric and "bell shaped". Approximately what percent of the observations are within two standard deviations of the mean? A.50% Correct B.95% C.68% D.99.7% Answer Key: B Question 4 of 20 1.0/ 1.0 Points Suppose that a histogram of a data set is approximately symmetric and "bell shaped". Approximately, what percent of the observations are within three standard deviations of the mean? A.68% B.95% Correct C.99.7% D.50% Answer Key: C Question 5 of 20 1.0/ 1.0 Points The amount of time needed to run the Boston marathon is an example of which type of variable? Correct A.continuous B.none of the above C.qualitative D.discrete Answer Key: A Question 6 of 20 1.0/ 1.0 Points Gender and State are examples of which type of data? A.Discrete data B.Continuous data C.Ordinal data Correct D.Categorical data Answer Key: D Question 7 of 20 1.0/ 1.0 Points The average score for a class of 30 students was 75. The 20 male students in the class averaged 70. The 10 female students in the class averaged: A.70 B.75 C.60 Correct D.85 [Show More]

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