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.

Front

What is a minimum in a data set?

Back

The minimum is the smallest value in a data set.

Front

What does it mean to have a mode in a data set?

Back

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

Front

What is a line plot?

Back

A line plot is a simple way to display data along a number line, showing the frequency of data points.

Front

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

Back

To find the total number of items, add up all the responses from the survey participants.

Front

What is a frequency distribution?

Back

A frequency distribution is a summary of how often each value occurs in a data set.

Front

What is the range of a data set?

Back

The range is the difference between the maximum and minimum values in a data set.

Front

How do you calculate the average (mean) of a data set?

Back

To calculate the average, add all the values together and then divide by the number of values.

Front

What is a bar graph?

Back

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

Front

What is a survey?

Back

A survey is a method of collecting data by asking people questions to gather information.