Calculator Use (Leaving Cert Mathematics): Flashcards

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Calculator Use
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Symbol for population standard deviation

σ\sigma (sigma)

Symbol for sample standard deviation

ss

Which SD do exams usually want?

Sample SD (sxsx or ss)

First mode to enter on calculators for SD

STAT mode

What does 1-Var stand for?

One-variable statistics

What to clear before entering new data?

Calculator memory

Use σ\sigma for which type of data?

Population

Use ss for which type of data?

Sample

What does nn represent in SD results?

Number of data points

What does xˉ\bar{x} represent?

Mean

Explore Leaving Cert Mathematics Revision Notes by Topics

Empirical Rule

Standard Deviation

Normal Distributions/Z-Scores

Explore Leaving Cert Mathematics Model Answers by Topics

Empirical Rule

Standard Deviation

Normal Distributions/Z-Scores

Explore Leaving Cert Mathematics Quizzes by Topics

Empirical Rule

Standard Deviation

Normal Distributions/Z-Scores

Explore Leaving Cert Mathematics Exam Questions by Topics

Empirical Rule

Standard Deviation

Normal Distributions/Z-Scores

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