Data & Analysis discovery
Data Lab: Choose where the striped shell belongs in the class collection.
Collect data with a clear rule and notice how missing observations can change a conclusion.
Data categories can be changed after seeing results without affecting fairness.
Name the rule before collecting and discuss which shells are not represented.
CCSS.MATH.K.MD.B.3 / CCSS.MATH.2.MD.D.10
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