Practice Problems (Junior Cert Mathematics): Flashcards

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Definition of mean

Average of all values

How to calculate mean

Sum of all values ÷ count

Definition of median

Middle value when ordered

Definition of mode

Most frequently appearing value

Definition of range

Difference between highest & lowest values

Range formula

Highest value - lowest value

Definition of IQR

Spread of middle 50% of data

IQR formula

Q3−Q1Q3 - Q1

Definition of Q1Q1

Median of lower half

Definition of Q3Q3

Median of upper half

Bimodal distribution

Two modes (two most frequent values)

Median with even count

Average of two middle values

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The Basics

The Basics

Graphing Data

Graphing Data

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Analysing Data

Frequency Distributions

Frequency Distributions

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The Basics

The Basics

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Graphing Data

Analysing Data

Analysing Data

Frequency Distributions

Frequency Distributions

Explore Junior Cert Mathematics Quizzes by Topics

The Basics

The Basics

Graphing Data

Graphing Data

Analysing Data

Analysing Data

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Frequency Distributions

Explore Junior Cert Mathematics Exam Questions by Topics

The Basics

The Basics

Graphing Data

Graphing Data

Analysing Data

Analysing Data

Frequency Distributions

Frequency Distributions

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