Graphs and Data - Pre & Post Assessment (3.8A/3.8B)

Front

What is a dot plot?

Back

A dot plot is a simple way to display data using dots to represent the frequency of values. Each dot represents one count.

Front

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

Back

To find the total number of items, add the values represented for each category in the graph.

Front

What does it mean to compare two groups in data?

Back

Comparing two groups means looking at the differences in their quantities or values to see which is larger or smaller.

Front

What is a pictograph?

Back

A pictograph is a graph that uses pictures or symbols to represent data, where each picture represents a certain number of items.

Front

How do you determine the difference between two values in a graph?

Back

To determine the difference, subtract the smaller value from the larger value.

Front

What is the purpose of a bar graph?

Back

A bar graph is used to compare different categories of data visually, with bars representing the quantity of each category.

Front

What does 'least amount' mean in data analysis?

Back

'Least amount' refers to the smallest quantity or value in a set of data.

Front

How can you tell which category has the most items in a graph?

Back

You can tell which category has the most items by looking for the highest bar or the largest number in the graph.

Front

What is the importance of labeling axes in a graph?

Back

Labeling axes is important because it helps the reader understand what data is being represented and the scale of measurement.

Front

What is a frequency table?

Back

A frequency table is a way to organize data that shows how often each value occurs.