Exam 2: Descriptive Statistics: Tabular and Graphical Displays

A cumulative relative frequency distribution shows

The total number of data items with a value less than the upper limit for the class is given by the

The relative frequency of a class is computed by

A frequency distribution is a tabular summary of data showing the

A tabular summary of a set of data showing the fraction of the total number of items in several classes is a

An Ogive is constructed by plotting a point corresponding to the ___ frequency of each class.

In constructing a frequency distribution, as the number of classes are decreased, the class width

Five hundred recent graduates indicated their majors as follows. a.Construct a relative frequency distribution. b.Construct a percent frequency distribution.

In a scatter diagram, a line that provides an approximation of the relationship between the variables is known as

You are given the following data on the ages of employees at a company. Construct a stem-and-leaf display.

A sample of 50 TV viewers were asked, "Should TV sponsors pull their sponsorship from programs that draw numerous viewer complaints?" Below are the results of the survey. (Y = Yes; N = No; W = Without Opinion) a.Construct a frequency distribution and a bar chart. b.Construct a relative frequency distribution and a pie chart.

The sum of the percent frequencies for all classes will always equal

In a cumulative relative frequency distribution, the last class will have a cumulative relative frequency equal to

Exhibit 2-4 Michael's Compute-All, a national computer retailer, has kept a record of the number of laptop computers they have sold for a period of 80 days. Their sales records are shown below: -Refer to Exhibit 2-4. The class width of the above distribution is

A tabular method that can be used to summarize the data on two variables simultaneously is called

Fifteen percent of the students in a school of Business Administration are majoring in Economics, 20% in Finance, 35% in Management, and 30% in Accounting. The graphical device(s) which can be used to present these data is (are)

The difference between the lower class limits of adjacent classes provides the

In a cumulative frequency distribution, the last class will always have a cumulative frequency equal to

The ___ can be used to show the rank order and shape of a data set simultaneously.

Categorical data can be graphically represented by using a(n)