Student Worksheet — Session 8: Our Class Data Book

Data Science for Young Minds · Grade 2 · Ages 7–8 · Capstone Session
Part 1 — My Survey Question (from Session 7)

Write your survey question and answer choice totals from your Session 7 tally chart:

My Question:

Answer Choice 1
Total votes:  
Answer Choice 2
Total votes:  
Answer Choice 3
Total votes:  
Answer Choice 4
Total votes:  
Part 2 — My Bar Graph

Use your totals above to draw a bar for each answer. Color each bar a different color. Then write a title!

Graph Title (write it here):
8
7
6
5
4
3
2
1
0

Graph Checklist — check each box when done:

  • I drew a bar for each answer choice
  • Each bar height matches my tally chart total
  • I colored each bar a different color
  • I wrote my question as the graph title
  • I labeled the answer choices along the bottom
Part 3 — My Conclusion

Pick ONE sentence frame and complete it about your data:

"My question was ___ and I found out that ___."
"The most popular answer was ___ with ___ votes."
"I was surprised that ___ because ___."

My conclusion sentence:

You can also draw a picture below to show what you found out:

Part 4 — Read My Graph

Which answer got the MOST votes?

Which answer got the LEAST votes?

How many MORE votes did the most popular answer get than the least popular? (___ − ___ = ___)

Part 5 — My Data Book Cover Page

Design your cover page for the Class Data Book. Write your name and draw something that shows you are a data scientist!

My Name
Draw yourself as a Data Scientist!
I am a Data Scientist! ⭐
Vocabulary Review — All 8 Sessions
Datainformation we collect and count
Surveyasking many people the same question
Tallymarks to count in groups of 5
Bar Grapha picture that shows data with bars
Most / Leasthighest and lowest bars
Comparelook at two things side by side
Samplethe group we asked
Resultswhat we found out from our data
Take-Home — Share Your Data!

Tonight, show your family your bar graph from today. Tell them:

  • What your question was
  • What the most popular answer was
  • One thing that surprised you

What did your family think about your data?  

Congratulations — you completed all 8 sessions!

You are officially a Data Scientist.