Analyzing Data

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 the mean (average) of a set of numbers?

Back

The mean (average) is calculated by adding all the numbers in a set and then dividing by the count of numbers in that set.

Front

What is an independent variable?

Back

An independent variable is the one variable that is changed or manipulated in an experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is the variable that is measured or tested in an experiment, which is affected by changes in the independent variable.

Front

What is a control variable?

Back

A control variable is a variable that is kept constant throughout an experiment to ensure that the results are due to the independent variable.

Front

How do you find the mode of a set of numbers?

Back

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

Front

What is a graph?

Back

A graph is a visual representation of data that shows the relationship between different variables.

Front

What does it mean when data is skewed?

Back

Skewed data is data that is not symmetrical and has a tail on one side, indicating that the data is not evenly distributed.

Front

What is a histogram?

Back

A histogram is a type of bar graph that represents the frequency distribution of numerical data.

Front

What is a scatter plot?

Back

A scatter plot is a graph that uses dots to represent the values obtained for two different variables, showing the relationship between them.