Probability Distributions and Frequency Tables

A collection of observation produced by sorting them into classes and showing their frequency of occurrence in each class.

• Statistics table

• Frequency distribution table

• Distribution column

• Frequency Graph

The largest data value that can be included in the class.

• Frequency 

• Class Mark

• Cumulative Frequency

• Upper Class Limit

The smallest data value that can be included in the class.

• Class Mark

• Tally

• Frequency

• Lower class limit

Are the frequencies, occurrences, or total numbers being measured for a specific category in a data set.

• Class mark

• Tally

• Frequency table

• Cumulative frequency

In the second row with a frequency of 42, what is the class boundary?

• 9.5 - 19.5

• 10 - 19

• 10.5 - 18.5

• 10.5 - 19.5

What is the class mark (midpoint) of the third row?

• 24

• 24.5

• 25

• 25.5

What is the total frequency?

• 200

• 215

• 224

• 225

It is used to separate the classes so that there are no gaps in the frequency distribution.

• Class Limit

• Frequency

• Class boundaries

• Cumulative Frequency

According to the portion of the frequency table given, how many people have an MBA?

• 9

• 20

• 60

• not enough information