Statistical Graphs

Front

What is a statistical graph?

Back

A visual representation of data that helps to identify patterns, trends, and relationships.

Front

What is a dot plot?

Back

A type of graph that displays data points as dots along a number line, useful for showing frequency.

Front

What type of data does a histogram represent?

Back

Quantitative data, showing the distribution of numerical data by grouping values into ranges.

Front

What is a stem-and-leaf plot?

Back

A method of displaying quantitative data where each number is split into a 'stem' (the leading digit) and a 'leaf' (the trailing digit).

Front

How do you calculate the percentage of a group?

Back

(Number of part / Total number) x 100.

Front

What is categorical data?

Back

Data that can be divided into groups or categories, such as colors or types.

Front

What is quantitative data?

Back

Data that can be measured and expressed numerically, such as height or weight.

Front

What is the purpose of a bar graph?

Back

To compare different groups or categories using rectangular bars.

Front

How do you interpret a pie chart?

Back

By analyzing the size of each slice to understand the proportion of each category relative to the whole.

Front

What is the median in a data set?

Back

The middle value when the data points are arranged in ascending order.