Data Analysis Review

Front

What is a scatter plot?

Back

A scatter plot is a type of graph that shows the relationship between two sets of data by displaying points on a coordinate plane.

Front

What does a trend line in a scatter plot indicate?

Back

A trend line indicates the general direction or pattern of the data points in a scatter plot, helping to predict values.

Front

How do you find the minimum value in a data set?

Back

The minimum value is the smallest number in the data set.

Front

What is the difference between 'mean' and 'median'?

Back

The mean is the average of a data set, while the median is the middle value when the data is arranged in order.

Front

What does it mean to compare two sets of data?

Back

To compare two sets of data means to analyze their similarities and differences, often to find relationships or trends.

Front

How can you determine how many more items one group has than another?

Back

Subtract the number of items in the smaller group from the number of items in the larger group.

Front

What is the purpose of data analysis?

Back

The purpose of data analysis is to interpret and make sense of data to draw conclusions or make decisions.

Front

What is a data set?

Back

A data set is a collection of related data points or values.

Front

What does it mean to predict a value using a graph?

Back

To predict a value using a graph means to estimate an unknown value based on the trends shown in the graph.

Front

What is the significance of the x-axis and y-axis in a graph?

Back

The x-axis typically represents the independent variable, while the y-axis represents the dependent variable.