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Mathematics — Second Preparatory
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Curriculum
Mathematics — Second Preparatory
Unit 1: Real Numbers
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Real Numbers
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Real Numbers — Lesson quiz
5 questions
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Intervals and Operations on Them
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Intervals and Operations on Them — Lesson quiz
5 questions
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Operations on Real Numbers
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Operations on Real Numbers — Lesson quiz
5 questions
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Square and Cube Root Laws
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Square and Cube Root Laws — Lesson quiz
5 questions
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Laws of Exponents
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Laws of Exponents — Lesson quiz
5 questions
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Unit 2: Algebra
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Factoring by the Greatest Common Factor
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Factoring by the Greatest Common Factor — Lesson quiz
5 questions
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Factoring Trinomials
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Factoring Trinomials — Lesson quiz
5 questions
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Factoring Special Cases
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Factoring Special Cases — Lesson quiz
5 questions
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Factoring by Grouping
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Factoring by Grouping — Lesson quiz
5 questions
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Unit 3: Geometry
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Congruence
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Congruence — Lesson quiz
5 questions
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The Pythagorean Theorem
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The Pythagorean Theorem — Lesson quiz
5 questions
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Applications of Parallelism
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Applications of Parallelism — Lesson quiz
5 questions
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Medians of a Triangle
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Medians of a Triangle — Lesson quiz
5 questions
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The Isosceles Triangle
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The Isosceles Triangle — Lesson quiz
5 questions
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Interior and Exterior Angles of a Polygon
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Interior and Exterior Angles of a Polygon — Lesson quiz
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Unit 4: Statistics
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Ascending Cumulative Frequency Table
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Ascending Cumulative Frequency Table — Lesson quiz
5 questions
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Measures of Central Tendency
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Measures of central tendency
Mean, median and mode
The mean of a frequency table
Worked examples
Common mistakes
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Measures of Central Tendency — Lesson quiz
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Text lesson
Measures of Central Tendency
Mathematics — Second Preparatory
Measures of Central Tendency
Explanation
Practice
Measures of central tendency
Measures of central tendency
Measures of central tendency are values that represent a data set, around which the values cluster.
The three most common measures are:
Key points
Mean
the sum of the values divided by their number.
Median
the value in the middle of the data after arranging it in increasing order.
Mode
the value that occurs most often.
Measures of Central Tendency · 1 / 6
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