Standard Deviation

Standard Deviation

Assessment

Flashcard

Mathematics

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is standard deviation?

Back

Standard deviation is a measure of how spread out the values in a data set are from the mean.

2.

FLASHCARD QUESTION

Front

How does a low standard deviation affect data points?

Back

A low standard deviation indicates that the data points are close to the mean, showing less variability.

3.

FLASHCARD QUESTION

Front

What does a high standard deviation indicate about a data set?

Back

A high standard deviation indicates that the data points are spread out over a wider range of values, showing more variability.

4.

FLASHCARD QUESTION

Front

If two data sets have the same mean, can they have different standard deviations?

Back

Yes, two data sets can have the same mean but different standard deviations, indicating different levels of variability.

5.

FLASHCARD QUESTION

Front

What does the symbol 'σ' represent in statistics?

Back

The symbol 'σ' represents the standard deviation of a population.

6.

FLASHCARD QUESTION

Front

What does the symbol 's' represent in statistics?

Back

The symbol 's' represents the standard deviation of a sample.

7.

FLASHCARD QUESTION

Front

In the context of standard deviation, what does 'variance' refer to?

Back

Variance is the square of the standard deviation and measures the average of the squared differences from the mean.

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