Data Analysis Review

Front

What is data analysis?

Back

Data analysis is the process of inspecting, cleaning, transforming, and modeling data to discover useful information, inform conclusions, and support decision-making.

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What is a survey?

Back

A survey is a method of collecting data by asking people questions to gather information about their opinions, behaviors, or characteristics.

Front

What is a frequency table?

Back

A frequency table is a way to organize data that shows how often each value occurs in a dataset.

Front

What is a line plot?

Back

A line plot is a graph that displays data along a number line, showing the frequency of each value.

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights to show the frequency or amount of each category.

Front

What is a dot plot?

Back

A dot plot is a simple way to display data using dots above a number line, where each dot represents one data point.

Front

What is a stem-and-leaf plot?

Back

A stem-and-leaf plot is a method of displaying quantitative data in a graphical format, similar to a histogram, to retain the original data values.

Front

What does it mean to analyze data?

Back

To analyze data means to examine and interpret the data to find patterns, trends, or insights.

Front

What is the purpose of a graph?

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The purpose of a graph is to visually represent data to make it easier to understand and interpret.

Front

How do you find the total number of responses in a survey?

Back

To find the total number of responses, add up the frequency of each response option.