Learn Without Walls
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Session 6 Quiz

Test What You Learned!

8 questions about Session 6: Comparing Two Groups. Get 6+ right to pass!

How it works:

Progress

1

To compare two groups, you need to...

  • Ask each group a different question
  • Ask both groups the SAME question
  • Only survey one group
  • Guess what the other group thinks
2

Side-by-side bar graphs help you...

  • See pretty colors
  • Compare two groups visually
  • Make more graphs
  • Confuse people
3

Both groups chose 'pizza' the most. This means...

  • Pizza is the best food
  • Pizza was the most popular choice in both groups
  • Everyone loves pizza
  • Pizza won the contest
4

Why must both graphs use the SAME scale?

  • To look nice
  • So the bar heights are comparable — otherwise it is misleading
  • Because it is a rule
  • They do not have to
5

Group A: Dog=8, Cat=4. Group B: Dog=3, Cat=7. What can you say?

  • Dogs are better
  • Group A preferred dogs while Group B preferred cats
  • The data is wrong
  • They are the same
6

A comparison sentence starts with...

  • I think
  • 'Both groups...' or 'Group A... while Group B...'
  • The answer is
  • One time
7

What if both groups give the same results?

  • That is boring
  • That is interesting! It means both groups agree
  • The survey was wrong
  • You need different groups
8

Comparing two groups is useful because...

  • It makes more work
  • You learn whether different groups think or behave differently
  • It uses more paper
  • The teacher likes it