Exam 2: Organizing and Visualizing

The addition of visual elements that either fail to convey any useful information or that obscure important points about the data in an attempt to enhance the visualization of data is called _______.

A _______ is a summary table in which numerical data are tallied into class intervals or categories.

SCENARIO 2-4 A survey was conducted to determine how people rated the quality of programming available on television.Respondents were asked to rate the overall quality from 0 (no quality at all)to 100 (extremely good quality).The stem-and-leaf display of the data is shown below. -Referring to Scenario 2-4, what percentage of the respondents rated overall television quality With a rating of 50 or below?

True or False: A good choice for the number of class groups to use in constructing frequency distribution is to have at least 5 but no more than 15 class groups.

True or False: A polygon can be constructed from a bar chart.

Which of the following is appropriate for displaying data collected on the different brands of cars Students at a major university drive?

SCENARIO 2-12 The table below contains the opinions of a sample of 200 people broken down by gender about the latest congressional plan to eliminate anti-trust exemptions for professional baseball. -Referring to Scenario 2-12, ________ percent of the 200 were males.

You have collected data on the number of U.S.households actively using online banking and/or Online bill payment over a 10-year period.Which of the following is the best for presenting the Data?

SCENARIO 2-7 -Referring to Scenario 2-7, ________ percent of the cases were not adjudicated within the first 4 years.