Histograms (Leaving Cert Mathematics): Quizzes

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Histograms
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12 questions from this quiz

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What type of data are histograms used for?

Continuous data

What does the yy-axis represent on a histogram?

Frequency density

What is the formula for frequency density?

FrequencyGroup Width\frac{\text{Frequency}}{\text{Group Width}}

How is group width calculated?

Upper limit - Lower limit

What does the height of each bar represent in a histogram?

Frequency density

Why should the bars in a histogram be touching?

To show data is continuous

For interval 3<a≤53<a\leq5 with frequency 1010, what is the frequency density?

55

What is the main purpose of using histograms?

To show data distribution

What is the key difference between bar charts and histograms?

Bar charts compare categories

What is the rearranged formula to calculate frequency?

Frequency Density × Group Width

For 3<t≤53<t\leq5, if frequency density is 44 and group width is 22, what is frequency?

88

What is the group width for the interval 5<a≤85<a\leq8?

33

Explore Leaving Cert Mathematics Revision Notes by Topics

The Basics

Graphing Data

Scatter Plots & Correlation

Analysing Data

Measures of Relative Standing

Frequency Distributions

Explore Leaving Cert Mathematics Model Answers by Topics

The Basics

Graphing Data

Scatter Plots & Correlation

Analysing Data

Measures of Relative Standing

Frequency Distributions

Explore Leaving Cert Mathematics Flashcards by Topics

The Basics

Graphing Data

Scatter Plots & Correlation

Analysing Data

Measures of Relative Standing

Frequency Distributions

Explore Leaving Cert Mathematics Exam Questions by Topics

The Basics

Graphing Data

Scatter Plots & Correlation

Analysing Data

Measures of Relative Standing

Frequency Distributions

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