MATH 302 QUIZ 1 (Questions and Answers)

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MATH 302 QUIZ 1 (Questions and Answers) Question 1 of 20 1.0/ 1.0 Points A histogram that is positively skewed is also called A.symmetric B.skewed to the right C.skewed to the left ... D.balanced Answer Key: B Question 2 of 20 1.0/ 1.0 Points Researchers may gain insight into the characteristics of a population by examining a A.description of the population B.sample of the population C.mathematical model describing the population D.replica Answer Key: B Question 3 of 20 1.0/ 1.0 Points A variable is classified as ordinal if: A.the data arise from continuous measurements B.there is a natural ordering of categories C.there is no natural ordering of categories D.we track the variable through a period of time Answer Key: B Question 4 of 20 1.0/ 1.0 Points A sample of 20 observations has a standard deviation of 4. The sum of the squared deviations from the sample mean is: A.320 B.288 C.400 D.304 Answer Key: D Question 5 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 C.It is a bar chart D.The frequencies are arranged from lowest to highest Answer Key: D Question 6 of 20 1.0/ 1.0 Points What type of graph is the figure below? A.ogive B.relative frequency histogram C.Pareto chart D.pictograph Answer Key: C Question 7 of 20 1.0/ 1.0 Points Numerical variables can be subdivided into which two types? A.Cross-sectional and discrete B.Discrete and continuous C.Nominal and progressive D.Diverse and categorical Answer Key: B ....continued [Show More]

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