Ogives (Grade 11 NSC Matric Mathematics): Quizzes

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Ogives
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10 questions from this quiz

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What is another name for an ogive?

Cumulative histogram

What do ogives display rather than individual frequencies?

Cumulative frequencies

If intervals have frequencies 55, 77, 1212, what is the cumulative frequency for the 3rd interval?

2424

What should cumulative frequencies never do?

Decrease

Where do you plot the first point when drawing an ogive?

Beginning of 1st interval at y=0y=0

Where do you plot cumulative frequency points on an ogive?

At the end of each interval

How should you connect the plotted points on an ogive?

With straight lines

What percentage of data falls below the first quartile (Q1Q_1)?

25%25\%

What does a five-number summary consist of?

Min, Q1Q_1, median, Q3Q_3, max

What is the key difference between frequency polygons and ogives?

Polygons show individual, ogives cumulative

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