Name:___________ Period:___
6-1 Populations & Samples
LT: I can ________________________________________________
_______________________________________________________.
Population: An ________ group of objects - _________, _________, _____________ - from which _________ can be collected.
Sample: A _____________ of the ______________.
Why use a sample?
When you ask a ____________ question about a _____________, it is often more efficient to gather data from a _____________ of the ______________.
Representative Sample: Accurately reflects the _________________ of the entire ______________.
(It has the __________ characteristics as the _________________.)
Random Sample:
→ Each ___________ of the population has an _________ chance of being ____________.
→ Tends to be a ___________________ __________of a population.
How might you generate a random sample? Step 1:
Step 2:
Step 3:
Step 4:
Step 5: