A observation b published sources c experimentation

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Unformatted text preview: 6) Which of the following is false? A Pareto diagram: A) Is a bar chart where categories are shown in descending order of frequency. B) Is used to portray numerical data on an interval scale. C) Is often shown with a cumulative polygon. D) Is used to separate the "vital few" from the "trivial many". GB 303 Fall 2011 Name: 7) The table below contains the opinions of a sample of 300 people broken down by gender about the latest congressional plan to eliminate anti-trust exemptions for professional baseball. For Neutral Against Totals Female 84 35 21 140 Male 54 44 62 160 Totals 138 79 83 300 Of the males in the sample, __________were against the plan: A) 20.66% B) 33.75% C) 38.75% D) 74.70% 8) You would like to represent the distribution of students in a class based on class (i.e. freshman, sophomore, junior, senior). Which of the following is the best for presenting the data? A) Pie chart B) Stem-and-Leaf display C) Scatter Plot D) Time Series Plot 9) True or False? Unlike a grouped frequency distribution, a stem-and-leaf plot usually preserves original data values. 10) True or False? Scatter diagrams are used to examine possible relationships between numerical and categorical variables. GB 303 Fall 2011 Answers: 1) C 2) D 3) B 4) D 5) False 6) B 7) C 8) A 9) True 10) False Name:...
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