Exam 2: Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation

Monthly commissions of first-year insurance brokers are $1,270,$1,310,$1,680,$1,380,$1,410,$1,570,$1,180,and $1,420. These figures are referred to as

Here is a sample distribution of hourly earnings in Paul's Cookie Factory: The limits of the class with the smallest frequency are

Refer to the following information from a frequency distribution for heights of college women recorded to the nearest inch: the first two class midpoints are 62.5" and 65.5". What is the class interval?

Refer to the following breakdown of responses to a survey of room service in a hotel: What type of chart should be used to show relative class frequencies?

To construct a pie chart,relative class frequencies are used to graph the "slices" of the pie.

Refer to the following breakdown of responses to a survey of "Are you concerned about being tracked while connected to the Internet?" What is the class with the greatest frequency?

The number of employees less than the upper limit of each class at Lloyd's Fast Food Emporium is shown in the following table: What is it called?

Refer to the following distribution of commissions: What is the relative frequency of salespeople who earn $1,600 or more?

Refer to the following distribution of ages: What is the class midpoint of the highest class?

When data are collected using a qualitative,nominal variable (e.g.,male or female),what is true about a frequency table that summarizes the data?

Refer to the following distribution: What is the relative class frequency for the $25 up to $35 class?

Refer to the following distribution of ages: What is the class interval?

Refer to the following breakdown of responses to a survey of "Are you concerned about being tracked while connected to the Internet?" What type of chart should be used to describe the frequency table?

Why are unequal class intervals sometimes used in a frequency distribution?

In a frequency distribution,the number of observations in a class is called the class

Refer to the following distribution: What are the class limits for the class with the highest frequency?

Refer to the following frequency distribution of days absent during a calendar year by employees of a manufacturing company: How many employees were absent fewer than six days?

In a bar chart,the heights of the bars represent the frequencies in each class.

To summarize the gender of students attending a college,the number of classes in a frequency table depends on the number of students.

A student was studying the political party preferences of a university's student population. The survey instrument asked students to identify their political preferences-for example,Democrat,Republican,Libertarian,or another party. The best way to illustrate the frequencies for each political preference is a