Understand that statistics can be used to gain information about a population by examining a sample of the population.
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Q 1/10
Score 0
What principle is most important when selecting a sample from a population for a study?
30
The sample should only consist of volunteers
The sample should only include the easiest individuals to reach
The sample should be representative of the population
The sample should be as small as possible
Q 2/10
Score 0
In a statistical study, why might a researcher prefer to use a sample rather than survey the entire population?
30
Because the population size is always unknown
Because the results from a sample are always more accurate
Because studying a sample requires more advanced technology
Because it’s often impractical or impossible to study every individual in the population
10 questions
Q.
What principle is most important when selecting a sample from a population for a study?
1
30 sec
7.SP.1
Q.
In a statistical study, why might a researcher prefer to use a sample rather than survey the entire population?
2
30 sec
7.SP.1
Q.
What is the purpose of using a sample to study a population?
3
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7.SP.1
Q.
How can statisticians ensure that their sample is representative of the population?
4
30 sec
7.SP.1
Q.
A scientist is studying the eating habits of teenagers in a large city. What is the best way for the scientist to gather data that represents all teenagers in the city?
5
30 sec
7.SP.1
Q.
What is a key benefit of sampling in statistics?
6
30 sec
7.SP.1
Q.
Why do statisticians take samples from a population?
7
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7.SP.1
Q.
A teacher wants to know if a new teaching method is effective for the entire school. How can she find out without testing every student?
8
30 sec
7.SP.1
Q.
What can statisticians learn about a population by examining a sample?
9
30 sec
7.SP.1
Q.
Why is it important for a sample to be representative of the population when conducting a survey?
