Graphs Test Warm up

Which type of graph is best for comparing the quantities of different categories?

• Line graph

• Bar graph

• Pie chart

• Histogram

What is the main purpose of a pictograph?

• To show trends over time

• To compare parts of a whole

• To represent data using pictures or symbols

• To show the relationship between two variables

When conducting a survey, what is primary data?

• Data collected from books and articles

• Data collected directly from the source

• Data collected from the internet

• Data collected from secondary sources

Which of the following is an example of secondary data?

• Survey responses from classmates

• Data from a government report

• Measurements taken during an experiment

• Observations recorded in a journal

In a double bar graph, what do the two bars for each category represent?

• Two different categories

• Two different time periods

• Two different sets of data

• Two different types of graphs

What is the first step in creating a bar graph?

• Drawing the bars

• Labelling the axes

• Collecting and organising data

• Choosing the colours for the bars

Which of the following is NOT a characteristic of a good survey question?

• Clear and concise

• Trying to lead the person to a specific answer

• Easy to understand

• Relevant to the survey topic

In a bar graph, what does the height of each bar represent?

• The category name

• The frequency or value of the data

• The colour of the bar

• The width of the bar

What is the main difference between a bar graph and a double bar graph?

• A bar graph uses pictures, while a double bar graph uses bars

• A bar graph shows one set of data, while a double bar graph shows two sets of data

• A bar graph is used for time series data, while a double bar graph is not

• A bar graph is always horizontal, while a double bar graph is always vertical

When interpreting a graph, what is the first thing you should look at?

• The title of the graph

• The colours used in the graph

• The size of the graph

• The number of data points