Drawing Bars on a Graph

The video tutorial teaches students how to create and interpret bar graphs using a scale. It begins with an introduction to an ice cream party and the need to choose a flavor based on class votes. The lesson covers the components of a bar graph, including axes, titles, and scales. It explains how scales can vary in increments and demonstrates how to draw bars to represent data. The tutorial concludes with a practical example of voting for favorite ice cream flavors and determining the most popular choice using a bar graph.

What are the main components of a bar graph?

• Title, axes, scale, and labels

• Title, pie chart, scale, and labels

• Title, axes, scale, and legend

• Title, axes, legend, and labels

Which of the following is a common mistake when interpreting scales on a graph?

• Assuming the scale is always linear

• Assuming the scale can only increase by 10

• Assuming the scale always increases by 1

• Assuming the scale is always non-linear

If a scale increases by increments of 2, what would the sequence look like?

• 0, 5, 10, 15, 20

• 0, 3, 6, 9, 12

• 0, 2, 4, 6, 8

• 0, 1, 2, 3, 4

How do you represent 5 votes on a graph with a scale increment of 2?

• At the tick mark labeled 6

• Between the tick marks labeled 4 and 6

• At the tick mark labeled 5

• At the tick mark labeled 4

What is the first step in drawing a bar for chocolate ice cream with 8 votes?

• Draw a line at the top of the graph

• Slide along the y-axis to find 8

• Fill in the bar with color

• Slide along the x-axis to find chocolate

What is the significance of the longest bar in a bar graph?

• It represents the median category

• It represents the least popular category

• It represents the average category

• It represents the most popular category

How can bars be oriented on a bar graph?

• Only vertically

• Only horizontally

• Either vertically or horizontally

• Diagonally