population inferences

Front

What is a sample in statistics?

Back

A sample is a subset of individuals selected from a larger population, used to represent the population in a study.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a population in statistics?

Back

A population is the entire group of individuals or instances about whom we hope to learn.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

If P(A) = 1/4, what is P(not A)?

Back

P(not A) = 1 - P(A) = 1 - 1/4 = 3/4.

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CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

Front

What is the formula for finding an equivalent fraction?

Back

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CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

If 15 out of 20 students like a show, how do you find the expected number of students in a larger population?

Back

Tags

CCSS.7.SP.A.2

Front

What does it mean to infer about a population?

Back

To infer about a population means to make conclusions about the entire group based on the analysis of a sample.

Tags

CCSS.7.SP.A.2

Front

What is the difference between a sample and a population?

Back

A sample is a smaller group selected from a population, while a population includes all members of a specified group.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

How can you determine if a sample is representative of a population?

Back

A sample is representative if it reflects the characteristics of the population accurately, often achieved through random selection.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the importance of sample size in statistics?

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Larger sample sizes generally lead to more reliable and valid results, reducing the margin of error.

Front

What is a biased sample?

Back

A biased sample is one that does not accurately represent the population, often due to non-random selection.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1