Ch 2 Frequency Distribution and Graphs (2.1-2.2)

Who is your teacher?

• Davis
• Green
• Jackson

What block do you have Prob/Stats CP?

• 1
• 2
• 3
• 4

What is your last name?

What is your first name?

This is the count between 2 consecutive upper (or lower) class limits.

• class width
• class boundaries
• midpoints
• frequency

A form of a graph in which numeric values are represented by vertical rectangles used to display categorical data.

• Contingency table
• Pie chart
• Frequency table
• Bar chart

A table that lists the categories in a categorical variable and gives the number of observations for each category.

• chart
• bar chart
• cell
• frequency table

Shows how a "whole" divides into categories by showing a wedge of a circle whose area corresponds to the proportion in each category

• pie chart
• line graph
• bar chart
• segmented bar chart

Which of the following is the correct formula to find class width?

• (max-min)/(# of classes), round up to the next integer
• (max-min)/2, round up to the next integer
• (max-min)/(# of classes), round normally
• (max+min)/2, round normally
• (max-min)/(number of data), round up to the next integer

How can relative frequency of a two-way table be represented?

• fraction & decimal
• decimal & percent
• fraction, decimal, & percent