Quiz on lesson ” Confidently Uncertain “

1. What is a hypothesis?

a) A proposed explanation that cannot be tested.

b) An unproven assumption about the universe.

c) A testable idea that describes something about the universe.

2. What is a null hypothesis?

a) A hypothesis that has been proven true.

b) A hypothesis that cannot be tested.

c) A backwards way of wording a hypothesis to test it.

3. Why is it important to choose a representative sample when conducting an experiment?

a) To make the experiment more complicated.

b) To make the experiment more interesting.

c) To increase confidence in the results.

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