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.4.NF.A.1

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

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?

Back

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