Statistics Review

Front

What is the definition of a population in statistics?

Back

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

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a sample in statistics?

Back

A sample is a subset of the population selected for observation and analysis.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What does margin of error mean?

Back

Margin of error is a statistic expressing the amount of random sampling error in a survey's results.

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CCSS.HSS.IC.B.4

Front

How do you calculate the confidence interval?

Back

Confidence interval = sample statistic ± margin of error.

Front

What is the purpose of conducting a survey?

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To gather information and insights from a specific group to make informed decisions.

Tags

CCSS.6.SP.B.5B

Front

What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities, while quantitative data involves numerical values.

Front

What is a random sample?

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A random sample is a subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.

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CCSS.HSS.IC.B.3

Front

What is the significance of a sample size?

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A larger sample size generally leads to more reliable and valid results in statistical analysis.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a biased sample?

Back

A biased sample is one that does not accurately represent the population, leading to skewed results.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the role of a survey in research?

Back

Surveys collect data to understand opinions, behaviors, or characteristics of a population.

Tags

CCSS.6.SP.B.5B