BUS Statistics Ch. 2

What is the final step in creating a frequency distribution?

Count the number of observations in each class.

Which one of the following is not a characteristic of a frequency distribution?

It summarizes qualitative data.

Place the following steps used in constructing a frequency distribution into correct order.

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Regarding frequency tables and frequency distributions, which one of the following is true?

Both show the number of observations in each class.

Regarding frequency tables and frequency distributions, which of the following are true?

Both use mutually exclusive classes. Only frequency tables use qualitative data.

Which of the following are characteristics of raw data?

Raw data can be either qualitative or quantitative When the data is in its original form it is referred to as raw data

Which of the following would useful to represent as a frequency table?

State of residence of students in a business statistics course. Majors of students in a business statistics course. Gender of students in a business statistics course.

Which of the following are characteristics of frequency distributions?

Use classes and frequencies to organize data Organize raw data It provides the tally for each class.

A relative frequency distribution shows:

the fraction or percentage of observations in each class interval

Which of the following is an advantage of a frequency polygon over a histogram?

It shows class midpoints as points on a polygon.