Chapter 2 Introduction to Statistics Types of Graphs and Charts

I have an x-axis and a y-axis. I help to compare categories. There are spaces between my bars. What am I?

• Bar Graph

• Histogram

• Line Graph

• Dot Plot

I have an x-axis and a y-axis. I help to show frequency. There are no spaces between my bars. What am I?

• Bar Graph

• Histogram

• Line Graph

• Dot Plot

When would I use a graph like this?

• To see changes over time

• To compare parts to a whole

• To compare categories

• To see frequency

You have collected data on the type of movie the students in your class prefer: comedy, romance, action or sci-fi. What is the best way to display this data?

• Bar graph

• Histogram

• Stem and leaf plot

• Dotplot

What is this graph missing?

• Axes

• Title

• Categories

• None of these

What is the branch of mathematics dealing with the collection, organization, analysis, interpretation and presentation of data?

• Algebra

• Geometry

• Probability

• Statistics

The scatter graph shows the relationship between the height and arm span of some students.

Describe the correlation shown on the diagram.

• Positive

• Negative

• No Correlation

The scatter graph shows the relationship between two test scores of some students.

Describe the correlation shown on the diagram.

• Positive

• Negative

• No Correlation

The scatter graph shows the relationship between the test score and the time spent revising for a group of students.

Describe the correlation shown on the diagram.

• Positive

• Negative

• No Correlation

The scatter graph shows the relationship between the age of a car and its value.

Another car is 6 years old. Estimate the value of this car.

• £6000

• £2000

• £4000

• £3000