Exam 3: Graphical Descriptive Techniques II

One of the variables used to help predict unemployment rates is the rate of inflation.Accordingly,we identify rate of inflation as the ____________________ variable,and unemployment rate as the ____________________ variable.

The sum of relative frequencies in a distribution always equals 1.

Observations that are measured at successive points in time is what type of data?

What does the length of each line of a stem-and-leaf display represent?

Graphical excellence is a term usually applied to techniques that are informative and concise and that impart information clearly to their viewers.

Observations that are measured at the same time represent what type of data?

You are less likely to be misled by a graph if you:

What kind(s)of data can be depicted by a line chart?

Which of the following represents a graphical presentation of interval data?

A histogram is said to be symmetric if,when we draw a vertical line down the center of the histogram the two sides are nearly identical.

Possible methods of graphical deception include:

The scale used on a bar chart does not affect the way the bar chart looks.

The length of each line in a step-and-leaf display represents the ____________________ of that class interval defined by the stems.

Credit Hours The College of Business at The State University of California produced 3,400 credit hours during Spring Semester,2011he number and percentage of credit hours produced by each of the four departments in the College of Business is shown below. Department Percent Count Marketing 35.3 1.200 Management 23.5 800 Finance 23.5 800 Accounting 17.6 600 The following three-dimensional pie chart was constructed from the table above. -Briefly explain why the histogram below is misleading.

Credit Hours The College of Business at The State University of California produced 3,400 credit hours during Spring Semester,2011he number and percentage of credit hours produced by each of the four departments in the College of Business is shown below. Department Percent Count Marketing 35.3 1.200 Management 23.5 800 Finance 23.5 800 Accounting 17.6 600 The following three-dimensional pie chart was constructed from the table above. -{Credit Hours Narrative} Construct a two-dimensional pie chart showing the percentages of credit hours produced by the four departments.

Compare the two histograms below.Which statement is true?

If when one variable increases the other one also increases,we say that there is a(n)____________________ relationship between these two variables.

Insurance Company A representative from a local insurance agency selected a random sample of insured homeowners and recorded the number of claims made in the last three years,with the following results: Number of claims 0 1 2 3 4 5 Frequency 9 20 14 13 5 3 -{Insurance Company Narrative} What number of claims was made by the highest proportion of homeowners?

Admission to ER The following bar chart shows the type of aspirin (if any)given to 100 cardiac patients within 15 minutes of their admission to the emergency room. -{Admission to ER Narrative} Notice that the Y-axis of the bar chart does not start at a frequency of zero.Create a new bar chart of the displayed data that accurately displays the frequency for each aspirin type.

An online dating service has a quick poll on its website showing the following results.Critique the graph portion of the table.How can it be improved?