Data and Graphs

Front

What is a double-bar graph used for?

Back

A double-bar graph is used to compare two sets of data side by side, allowing for easy visual comparison of the values.

Front

How do you determine the total from a bar graph?

Back

To determine the total from a bar graph, you add the values represented by the bars for the categories you are interested in.

Front

What does a bar graph represent?

Back

A bar graph represents categorical data with rectangular bars, where the length of each bar is proportional to the value it represents.

Front

How can you identify trends in data from a graph?

Back

Trends in data can be identified by observing the direction of the bars or lines in the graph, indicating increases or decreases over time.

Front

What is the purpose of collecting survey data?

Back

The purpose of collecting survey data is to gather information on people's opinions, preferences, or behaviors to analyze and draw conclusions.

Front

How do you calculate the percentage of a specific category in survey results?

Back

To calculate the percentage of a specific category, divide the number of responses for that category by the total number of responses, then multiply by 100.

Front

What is the significance of the x-axis and y-axis in a graph?

Back

The x-axis typically represents the independent variable, while the y-axis represents the dependent variable, allowing for the visualization of relationships between the two.

Front

What is a key in a graph?

Back

A key in a graph explains what the symbols, colors, or patterns represent, helping the viewer understand the data being presented.

Front

How do you interpret data from a bar graph?

Back

To interpret data from a bar graph, look at the height or length of the bars to understand the values they represent and compare them across categories.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data represents numerical values that can be measured.