Measures of Dispersion (IV)

Grade 11 · Mathematics

Semester 2 | Period 6 | Week 33

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Subject: Mathematics

Semester: 2

Period: 6

Week: 33


WEEK 33

Class: Grade 11
Age: 16 years
Duration: 40 minutes (5 periods)
Subject: Mathematics
Topic: Measures of Dispersion (IV)
Focus: Mean Deviation, Standard Deviation, Variance, Range, and Calculation Using Assumed Mean (A)
Specific Objectives:
By the end of the lesson, students should be able to:

  1. Understand the concept of variability or dispersion in a dataset.
  2. Compute the mean deviation for grouped data.
  3. Calculate the standard deviation for grouped data.
  4. Calculate the variance for grouped data.
  5. Use the assumed mean method to calculate the standard deviation.
  6. Apply the concepts to real-life data and statistics problems.

Instructional Techniques:

  • Question and answer
  • Guided demonstration
  • Discussion
  • Practice exercises
  • Group work and collaboration

Instructional Materials:

  • Posters with data from published statistics
  • Charts illustrating the formulae for mean deviation, standard deviation, and variance
  • Flashcards with data sets