π Data Collection and Representation
Master the fundamentals of collecting, organizing, and presenting data using tally marks, tables, bar graphs, pictographs, and line plots. Learn to interpret datasets, find modes and ranges, and choose the best graph type for different types of information. **What you'll learn:** - How to collect and organize data using tally marks and frequency tables - How to create and read bar graphs, pictographs, and line plots - How to find the mode and range of a dataset - How to interpret data and answer questions about datasets - How to choose appropriate graph types for different data
Questions in this quiz
Answers hidden β play to find out.
- Question 1
Which tool is best for organizing data before creating a graph?
- Question 2
In a tally chart, the group of five marks is represented as (four vertical lines and no diagonal line).
- Question 3
A pictograph uses small pictures or symbols to represent data. If each symbol represents 2 children, how many children do 5 symbols represent?
- Question 4
What is the mode of this dataset: 3, 5, 5, 7, 9, 5, 2?
- Question 5
What is the range of this dataset: 12, 8, 15, 20, 10?
- Question 6
A bar graph is the best choice for showing how many students chose each favorite ice cream flavor.
- Question 7
Which type of graph is most useful for showing how a value changes over time?
- Question 8
A bar graph shows the number of books read: Fiction (8), Mystery (6), Fantasy (10), and Biography (4). Which category has the tallest bar?
- Question 9
When creating a bar graph, the height of each bar should match the frequency or count of that category.
- Question 10
A line plot shows: X marks at 2, 3, 3, 4, 4, 4, 5. How many data points are there?
- Question 11
Which statement is true about a pictograph with a key showing that each symbol = 5 apples?
- Question 12
A frequency table is a list that shows each value and how many times it appears in a dataset.
- Question 13
You survey 20 students about their favorite sports. The results are: Soccer (8), Basketball (7), Baseball (3), Tennis (2). Which graph type would best display this data?
- Question 14
If you record the daily temperature over two weeks, which graph type would best show the temperature trend?
- Question 15
The range of a dataset is found by adding the largest and smallest values together.
- Question 16
When comparing two datasets, what do you look for to determine which dataset has more spread in the data?