Data Analysis Review

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 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 does the X-axis represent in a graph?

Back

The X-axis typically represents the independent variable or categories being measured, such as 'Titles of Book Series' in a survey.

Front

What is the Y-axis in a graph?

Back

The Y-axis usually represents the dependent variable, such as the number of students voting for each book series.

Front

What is a bar graph?

Back

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

Front

What is the mode in a data set?

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

What is the range of a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Front

How do you calculate the mean?

Back

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

Front

What is a frequency table?

Back

A frequency table is a table that displays the number of times each value occurs in a data set.