Data analysis

Front

What is data analysis?

Back

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

Front

What is a dataset?

Back

A dataset is a collection of related data that is usually presented in a table format, where each row represents a record and each column represents a variable.

Front

What does it mean to interpret data?

Back

Interpreting data means making sense of the data by analyzing it to find patterns, trends, or insights.

Front

What is a mean in data analysis?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Front

What is a median?

Back

The median is the middle value in a list of numbers sorted in ascending order. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is a mode?

Back

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

Front

What is a graph?

Back

A graph is a visual representation of data that helps to illustrate relationships between different variables.

Front

What is a bar chart?

Back

A bar chart is a type of graph that uses bars to show the frequency or value of different categories.

Front

What is a line graph?

Back

A line graph is a type of graph that uses lines to connect data points, showing trends over time.

Front

What is a pie chart?

Back

A pie chart is a circular graph divided into slices to illustrate numerical proportions.