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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:
- Understand the concept of variability or dispersion in a dataset.
- Compute the mean deviation for grouped data.
- Calculate the standard deviation for grouped data.
- Calculate the variance for grouped data.
- Use the assumed mean method to calculate the standard deviation.
- 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
