Quiz 1_MATH302.docx - Quiz 1_MATH302 Question 1 of 20 1.0 1.0 Points Which of the following statements are false regarding a boxplot A The length of the

Quiz 1_MATH302.docx - Quiz 1_MATH302 Question 1 of 20 1.0...

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Quiz 1_MATH302Question 1 of 20 1.0/ 1.0 PointsWhich of the following statements are false regarding a boxplot?A. The length of the box equals the range of the data. B. The height of the box has no significance. C. The right and left of the box are the third and first quartiles D. Boxplots can be used to either describe a single variable in a data set or to compare two (or more) variables Answer Key: A Question 2 of 20 1.0/ 1.0 PointsWhich of the following statements is true regarding the data set 10, 10, 10, 10, and 10? A. The range is zero B. The standard deviation equals zero C. The interquartile range equals zero D. all of the above Answer Key: D Question 3 of 20 0.0/ 1.0 PointsThe median can also be described as: A. the middle observation when the data values are arranged in ascending order B. the second quartile C. the 50th percentile D. all of the above Answer Key: D
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Question 4 of 20 1.0/ 1.0 PointsResearchers may gain insight into the characteristics of a population by examining a A. mathematical model describing the population B. sample of the population C. replica D. description of the population Answer Key: B Question 5 of 20 1.0/ 1.0 PointsData that arise from counts are called:A. discrete data B. continuous data C. counted data D. nominal data Answer Key: A Question 6 of 20 1.0/ 1.0 PointsAn advertisement for a car states that it is 10% more powerful than its competitor. This is an example ofA. detached statistics B. changing the subject C. ambiguous averages D. suspect samples
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