Front

What is a bar graph?

Back

A bar graph is a visual representation of data using rectangular bars to show the frequency or value of different categories.

Front

How do you read a dot plot?

Back

A dot plot displays data points as dots above a number line, where each dot represents one occurrence of a value.

Front

What is a circle graph (pie chart)?

Back

A circle graph, or pie chart, is a circular statistical graphic divided into slices to illustrate numerical proportions.

Front

What is the purpose of using graphs in data representation?

Back

Graphs help to visually summarize and compare data, making it easier to identify trends and patterns.

Front

How do you determine the mode from a set of data?

Back

The mode is the value that appears most frequently in a data set.

Front

What is the median in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest.

Front

How do you find the range of a data set?

Back

The range is found by subtracting the smallest value from the largest value in the data set.

Front

What does it mean if a bar graph is skewed?

Back

A skewed bar graph indicates that the data is not evenly distributed, with more values on one side.

Front

What is the difference between categorical and numerical data?

Back

Categorical data represents categories or groups, while numerical data represents measurable quantities.

Front

How can you compare two sets of data using graphs?

Back

You can compare two sets of data by using side-by-side bar graphs or overlaying dot plots.