Frequency Distribution-Prob. & Stats

What is the upper class boundary for the class 23 - 35?

• 35

• 34.5

• 35.5

• 22.5

• 23.5

If the limits for a class were 20–38, the boundaries would be 19.5–37.5.

• True

• False

What is the midpoint of the class 7-11 ?

• 9.5

• 9

• 4

• 2

A histogram is a graph that represents the cumulative frequencies for the classes in a frequency distribution.

• True

• False

In a given data set, the maximum value is 76 and the minimum value is 13, what would be class width when using 6 classes?

• 10

• 10.5

• 11

• 15

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

• 9
• 60
• 20
• not enough information

How many employees have a salary less than $22,000?

• 50
• 350
• 0
• 10

What would be the cumulative frequency for the third class?

• 5

• 12

• 17

• 18

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