Understanding Picture and Bar Graphs

JT surveys his class about their favorite colors and records the data on a tally chart. He decides to represent this data using a picture graph, where each circle represents two votes, and a bar graph, which shows the total votes for each color. The video explains how to interpret these graphs and compare the number of votes for different colors.

What method did JT use to collect data about his class's favorite colors?

• An interview

• A focus group

• A questionnaire

• A survey

What tool did JT use to initially record the data from his survey?

• A tally chart

• A pie chart

• A line graph

• A spreadsheet

What is a key feature of picture graphs mentioned by JT?

• They use bars to represent data

• They use pictures to represent data

• They use numbers to represent data

• They use lines to represent data

How does JT ensure everyone understands the symbols in his picture graph?

• By using a key

• By using a description

• By using a legend

• By using a title

How many votes does one circle represent in JT's picture graph?

• One vote

• Two votes

• Three votes

• Four votes

What does JT do to represent a single vote for green in his picture graph?

• Draws a full circle

• Draws a half circle

• Draws a square

• Draws a triangle

What is the orientation of a bar graph as explained by JT?

• Circular

• Vertical

• Horizontal

• Diagonal

What is evenly spaced on the side of a bar graph?

• Colors

• Symbols

• Pictures

• Numbers

What does JT use to draw the bars in a bar graph?

• Dotted lines

• Curved lines

• Straight lines

• Wavy lines

What do the bars in a bar graph represent?

• The total votes for each color

• The average votes for each color

• The minimum votes for each color

• The maximum votes for each color