7.SP.1

Front

What is random sampling?

Back

Random sampling is a method of selecting a subset of individuals from a larger population in such a way that every individual has an equal chance of being chosen.

Front

Which method is an example of random sampling?

Back

Drawing names from a hat.

Front

How can a school newspaper get a random sample from students?

Back

By asking 10 students from every homeroom.

Front

What is a prediction?

Back

A prediction is using previous information to determine what comes next.

Front

If 7 out of 35 students like vanilla ice cream, how many out of 210 would you expect to like it?

Back

42.

Front

Drake made 14 out of 20 free throw shots. How many out of the next 30 would you expect him to make?

Back

21.

Front

What is the purpose of a survey?

Back

To gather information or opinions from a group of people.

Front

What is a sample in statistics?

Back

A sample is a subset of a population used to represent the whole population.

Front

What does it mean to make a prediction based on data?

Back

It means to use existing data to forecast future outcomes.

Front

What is the importance of random sampling in surveys?

Back

It helps ensure that the sample represents the population, reducing bias.