Representing Data with Frequency Tables and Graphs

The video tutorial focuses on the third-grade concept of representing data, specifically using a problem from the 2019 released STAAR test. The instructor guides students through analyzing different data representations, including pictographs, tally charts, and scaled intervals. The goal is to identify which representation does not match the given data. The video emphasizes the importance of understanding keys in pictographs and provides step-by-step calculations to verify each representation.

What is the standard number related to representing data in third grade in Texas?

• 3.8 a

• 2.9 a

• 3.5 b

• 4.1 c

What does each small box in pictograph G represent?

• 15 boxes

• 12 boxes

• 10 boxes

• 8 boxes

How many boxes does the half symbol in pictograph G represent?

• 9 boxes

• 3 boxes

• 12 boxes

• 6 boxes

Which pictograph used groups of six for its representation?

• Pictograph F

• Pictograph J

• Pictograph H

• Pictograph G

How many total boxes are represented by the tally chart in section F?

• 42 boxes

• 50 boxes

• 48 boxes

• 45 boxes

What is the correct count of blue boxes as per the tally chart?

• 42

• 48

• 36

• 24

Which graph is identified as having an incorrect representation?

• Graph J

• Graph G

• Graph H

• Graph F

What is the incorrect count of blue boxes in the scaled interval graph?

• 46

• 48

• 42

• 44

What interval does the scaled graph count by?

• Twos

• Eights

• Tens

• Fives

Which color box count was also incorrect in the scaled interval graph?

• Red

• Yellow

• Green

• Blue