Math 3.8A and 3.8B Data Analysis

Front

What is data analysis?

Back

Data analysis is the process of collecting, organizing, and interpreting data to understand and make decisions.

Front

What is a pictograph?

Back

A pictograph is a graph that uses pictures or symbols to represent data.

Front

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

Back

To find the total, add the values of all the items represented in the graph.

Front

What does it mean to compare data?

Back

Comparing data means looking at two or more sets of data to see how they are similar or different.

Front

What is a bar graph?

Back

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

Front

How can you determine how many more or fewer items one category has than another?

Back

Subtract the smaller number from the larger number to find how many more or fewer items there are.

Front

What is a tally chart?

Back

A tally chart is a way to record and count data using marks (tallies) to represent each item.

Front

What is the purpose of a line graph?

Back

A line graph is used to show changes over time by connecting data points with a line.

Front

What does it mean to interpret data?

Back

Interpreting data means understanding what the data shows and drawing conclusions from it.

Front

What is a data set?

Back

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