KSSM MATHEMATICS FORM 4
Measures of Dispersion for Ungrouped Data
Variance, Standard deviation
Example 7 – Example 9
Page 221-223
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SPM Trial 2019 – Mathematics (Penang)
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KBSM Mathematics Form 4
The Straight Line
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uRnZeuuLmeH2uCRvsI1FWT
Sets
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tCU4z6cHRyb8edITHnlz4d
Mathematical Reasoning
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tHoLE6SmXeMgJLfR-ppfLJ
KBSM Mathematics Form 5
Chapter 1: Number Bases
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uM44q_Lh9qvTMlP37z48i_
Chapter 3: Transformations III
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5vsAJJYlJNnhYS8uMSWPLr8
Chapter 4: Matrices
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uFlFo3EAQaQO8FzKLVEltZ
Chapter 5: Variations
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uWR1FgOFS3I0659p1KiAIi
Chapter 6: Gradient and Area under a Graph
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uLywl9PNUk7L3vKn1Q94kR
Chapter 7: Probability II
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5vY4Qk6YKlhgt2RJnh49_uw
Chapter 8: Bearing
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sCBEcZtLLeRbCjMBN0WsQw
Chapter 9: Earth as a Sphere
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sPJiCh5HrCyEsfTn9C0qfI
Chapter 10: Plans and Elevations
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5trEPI6kI7qGIuyKq_qSVNF
KSSM Mathematics Form 4
Chapter 1: Quadratic Functions and Equations in One Variable
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uuLRIaZvhC6c7wy2Y2wAQx
Chapter 2: Number Bases
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uM44q_Lh9qvTMlP37z48i_
Chapter 3: Logical Reasoning
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tW1FV9X0xuJiIoJWPzmR47
Chapter 4: Operations on Sets
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5t-vZJwjM-SwwHlnPXN3Y3a
Chapter 5: Network in Graph Theory
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sC3Ou4Z9_C1Mzc1AFLPbkC
Chapter 6: Linear Inequalities in Two Variables
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tOjdt-dYMSGrjNXplO9zEq
Chapter 7: Graphs of Motion
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sEQG0GawrUUABSN9vF-nT5
Chapter 8: Measures of Dispersion for Ungrouped Data
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5
...
https://www.youtube.com/watch?v=7Rcqe9LMG7I
Solve problems involving Measures of Dispersion
Example 15
Self Practice 8.2f
Page 236-237
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SPM Trial 2019 – Mathematics (Penang)
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sen1xdtmUOeBCnWUkQo6tl
KBSM Mathematics Form 4
The Straight Line
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uRnZeuuLmeH2uCRvsI1FWT
Sets
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tCU4z6cHRyb8edITHnlz4d
Mathematical Reasoning
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tHoLE6SmXeMgJLfR-ppfLJ
KBSM Mathematics Form 5
Chapter 1: Number Bases
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uM44q_Lh9qvTMlP37z48i_
Chapter 3: Transformations III
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5vsAJJYlJNnhYS8uMSWPLr8
Chapter 4: Matrices
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uFlFo3EAQaQO8FzKLVEltZ
Chapter 5: Variations
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uWR1FgOFS3I0659p1KiAIi
Chapter 6: Gradient and Area under a Graph
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uLywl9PNUk7L3vKn1Q94kR
Chapter 7: Probability II
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5vY4Qk6YKlhgt2RJnh49_uw
Chapter 8: Bearing
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sCBEcZtLLeRbCjMBN0WsQw
Chapter 9: Earth as a Sphere
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sPJiCh5HrCyEsfTn9C0qfI
Chapter 10: Plans and Elevations
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5trEPI6kI7qGIuyKq_qSVNF
KSSM Mathematics Form 4
Chapter 1: Quadratic Functions and Equations in One Variable
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uuLRIaZvhC6c7wy2Y2wAQx
Chapter 2: Number Bases
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uM44q_Lh9qvTMlP37z48i_
Chapter 3: Logical Reasoning
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tW1FV9X0xuJiIoJWPzmR47
Chapter 4: Operations on Sets
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5t-vZJwjM-SwwHlnPXN3Y3a
Chapter 5: Network in Graph Theory
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sC3Ou4Z9_C1Mzc1AFLPbkC
Chapter 6: Linear Inequalities in Two Variables
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tOjdt-dYMSGrjNXplO9zEq
Chapter 7: Graphs of Motion
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sEQG0GawrUUABSN9vF-nT5
Chapter 8: Measures of Dispersion for Ungrouped Data
https://www.youtube.com/playlist?list=PLkQXp7Lpc
...
https://www.youtube.com/watch?v=GzNJapeEXMc
Simultaneous Equations and Quadratic Equations HOTS
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SPM Trial 2019 – Mathematics (Penang)
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KBSM Mathematics Form 4
The Straight Line
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uRnZeuuLmeH2uCRvsI1FWT
Sets
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tCU4z6cHRyb8edITHnlz4d
Mathematical Reasoning
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tHoLE6SmXeMgJLfR-ppfLJ
KBSM Mathematics Form 5
Chapter 1: Number Bases
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uM44q_Lh9qvTMlP37z48i_
Chapter 3: Transformations III
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5vsAJJYlJNnhYS8uMSWPLr8
Chapter 4: Matrices
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uFlFo3EAQaQO8FzKLVEltZ
Chapter 5: Variations
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uWR1FgOFS3I0659p1KiAIi
Chapter 6: Gradient and Area under a Graph
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uLywl9PNUk7L3vKn1Q94kR
Chapter 7: Probability II
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5vY4Qk6YKlhgt2RJnh49_uw
Chapter 8: Bearing
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sCBEcZtLLeRbCjMBN0WsQw
Chapter 9: Earth as a Sphere
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sPJiCh5HrCyEsfTn9C0qfI
Chapter 10: Plans and Elevations
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5trEPI6kI7qGIuyKq_qSVNF
KSSM Mathematics Form 4
Chapter 1: Quadratic Functions and Equations in One Variable
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uuLRIaZvhC6c7wy2Y2wAQx
Chapter 2: Number Bases
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uM44q_Lh9qvTMlP37z48i_
Chapter 3: Logical Reasoning
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tW1FV9X0xuJiIoJWPzmR47
Chapter 4: Operations on Sets
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5t-vZJwjM-SwwHlnPXN3Y3a
Chapter 5: Network in Graph Theory
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sC3Ou4Z9_C1Mzc1AFLPbkC
Chapter 6: Linear Inequalities in Two Variables
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tOjdt-dYMSGrjNXplO9zEq
Chapter 7: Graphs of Motion
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sEQG0GawrUUABSN9vF-nT5
Chapter 8: Measures of Dispersion for Ungrouped Data
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uSKEYCI0cfnU4OWTtpaLrW
Chapter 9: Probability of Combined Events
https://www.youtube.com/play
...
https://www.youtube.com/watch?v=1QUUKzi5mUg
KSSM Mathematics Form 4
Consumer Mathematics:
Financial Management
Financial Planning and Management
Long-term Financial Goals
Case Study
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KBSM Mathematics Form 4
The Straight Line
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Sets
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Mathematical Reasoning
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KBSM Mathematics Form 5
Chapter 1: Number Bases
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uM44q_Lh9qvTMlP37z48i_
Chapter 3: Transformations III
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5vsAJJYlJNnhYS8uMSWPLr8
Chapter 4: Matrices
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uFlFo3EAQaQO8FzKLVEltZ
Chapter 5: Variations
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uWR1FgOFS3I0659p1KiAIi
Chapter 6: Gradient and Area under a Graph
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uLywl9PNUk7L3vKn1Q94kR
Chapter 7: Probability II
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5vY4Qk6YKlhgt2RJnh49_uw
Chapter 8: Bearing
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sCBEcZtLLeRbCjMBN0WsQw
Chapter 9: Earth as a Sphere
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sPJiCh5HrCyEsfTn9C0qfI
Chapter 10: Plans and Elevations
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5trEPI6kI7qGIuyKq_qSVNF
KSSM Mathematics Form 4
Chapter 1: Quadratic Functions and Equations in One Variable
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uuLRIaZvhC6c7wy2Y2wAQx
Chapter 2: Number Bases
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uM44q_Lh9qvTMlP37z48i_
Chapter 3: Logical Reasoning
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tW1FV9X0xuJiIoJWPzmR47
Chapter 4: Operations on Sets
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5t-vZJwjM-SwwHlnPXN3Y3a
Chapter 5: Network in Graph Theory
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sC3Ou4Z9_C1Mzc1AFLPbkC
Chapter 6: Linear Inequalities in Two Variables
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tOjdt-dYMSGrjNXplO9zEq
Chapter 7: Graphs of Motion
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sEQG0GawrUUABSN9vF-nT5
Chapter 8: Measures of Dispersion for Ungrouped Data
h
...
https://www.youtube.com/watch?v=m7Mr8S5cZQ0
KSSM Mathematics Form 4
Probability of Combined Events
Comprehensive Practice
Question 2
Page 265
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SPM Trial 2019 – Mathematics (Penang)
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KBSM Mathematics Form 4
The Straight Line
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Sets
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Mathematical Reasoning
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tHoLE6SmXeMgJLfR-ppfLJ
KBSM Mathematics Form 5
Chapter 1: Number Bases
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uM44q_Lh9qvTMlP37z48i_
Chapter 3: Transformations III
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5vsAJJYlJNnhYS8uMSWPLr8
Chapter 4: Matrices
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uFlFo3EAQaQO8FzKLVEltZ
Chapter 5: Variations
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uWR1FgOFS3I0659p1KiAIi
Chapter 6: Gradient and Area under a Graph
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uLywl9PNUk7L3vKn1Q94kR
Chapter 7: Probability II
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5vY4Qk6YKlhgt2RJnh49_uw
Chapter 8: Bearing
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sCBEcZtLLeRbCjMBN0WsQw
Chapter 9: Earth as a Sphere
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sPJiCh5HrCyEsfTn9C0qfI
Chapter 10: Plans and Elevations
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5trEPI6kI7qGIuyKq_qSVNF
KSSM Mathematics Form 4
Chapter 1: Quadratic Functions and Equations in One Variable
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uuLRIaZvhC6c7wy2Y2wAQx
Chapter 2: Number Bases
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uM44q_Lh9qvTMlP37z48i_
Chapter 3: Logical Reasoning
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tW1FV9X0xuJiIoJWPzmR47
Chapter 4: Operations on Sets
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5t-vZJwjM-SwwHlnPXN3Y3a
Chapter 5: Network in Graph Theory
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sC3Ou4Z9_C1Mzc1AFLPbkC
Chapter 6: Linear Inequalities in Two Variables
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tOjdt-dYMSGrjNXplO9zEq
Chapter 7: Graphs of Motion
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sEQG0GawrUUABSN9vF-nT5
Chapter 8: Measures of Dispersion for Ungrouped Data
https://www.youtube.com/playlist?list=PL
...
https://www.youtube.com/watch?v=fySL4OHGEhU
KSSM MATHEMATICS FORM 5
CHAPTER 7: Measures of Dispersion for Grouped Data
7.2 Measures of Dispersion
Compare and interpret 2 or more sets of grouped data based on measures of dispersion
Self Practice 7.2c
0:00 Question 1
2:10 Question 2
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▶ KSSM Mathematics Form 5 - Measures of Dispersion for Grouped Data
https://youtube.com/playlist?list=PLkQXp7Lpcc5voY8b6NKMoPuDqIpVHbUDZ
▶ KSSM Mathematics Form 5 - Ratios and Graphs of Trigonometric Functions
https://youtube.com/playlist?list=PLkQXp7Lpcc5ubfpLESiRhAjh0KaQakthh
▶ KSSM Mathematics Form 5 - Congruency, Enlargement and Combined Transformation
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▶ KSSM Mathematics Form 5 - Taxation
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▶ KSSM ADDMATH Form 5 - Integration
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▶ KSSM Mathematics Form 5 - Insurance
https://youtu.be/CcAL91t-eWk
▶ KSSM ADDMATH Form 5 - Differentiation
https://youtube.com/playlist?list=PLkQXp7Lpcc5s9CL4xt4rh_jHaOF_886ha
▶ KSSM Mathematics Form 5 - Matrices
https://youtube.com/playlist?list=PLkQXp7Lpcc5vqWGtIdpP0JN97lULjX-xb
▶ KSSM ADDMATH Form 5 - Circular Measure
https://youtube.com/playlist?list=PLkQXp7Lpcc5uETyRg5EzT7H_ZbWeO_HyQ
▶ KSSM Mathematics Form 5 - Variation
https://youtube.com/playlist?list=PLkQXp7Lpcc5tr1NdltxmiBFNk8F0t_ZGb
? KSSM Mathematics Form 4
Chapter 1: Quadratic Functions and Equations in One Variable
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uuLRIaZvhC6c7wy2Y2wAQx
? Chapter 2: Number Bases
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uM44q_Lh9qvTMlP37z48i_
? Chapter 3: Logical Reasoning
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tW1FV9X0xuJiIoJWPzmR47
? Chapter 4: Operations on Sets
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5t-vZJwjM-SwwHlnPXN3Y3a
? Chapter 5: Network in Graph Theory
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sC3Ou4Z9_C1Mzc1AFLPbkC
? Chapter 6: Linear Inequalities in Two Variables
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tOjdt-dYMSGrjNXplO9zEq
? Chapter 7: Graphs of Motion
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sEQG0GawrUUABSN9vF-nT5
? Chapter 8: Measures of Dispersion for Ungrouped Data
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uSKEYCI0cfnU4OWTtpaLrW
? Chapter 9: Probability of Combined Events
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sAEsiFLHqo8ppw-D4oZo4J
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5vY4Qk6YKlhgt2RJnh49_uw
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...
https://www.youtube.com/watch?v=pnat42mlac8
KSSM MATHEMATICS FORM 5
CHAPTER 7: Measures of Dispersion for Grouped Data
7.1 Dispersion
Ogive, First Quartile, Median, Third Quartile, Percentile
Self Practice 7.1c
0:00 Question 1
3:14 Question 2
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▶ KSSM Mathematics Form 5 - Measures of Dispersion for Grouped Data
https://youtube.com/playlist?list=PLkQXp7Lpcc5voY8b6NKMoPuDqIpVHbUDZ
▶ KSSM Mathematics Form 5 - Ratios and Graphs of Trigonometric Functions
https://youtube.com/playlist?list=PLkQXp7Lpcc5ubfpLESiRhAjh0KaQakthh
▶ KSSM Mathematics Form 5 - Congruency, Enlargement and Combined Transformation
https://youtube.com/playlist?list=PLkQXp7Lpcc5sot7aGioKHHXJNuNua9kLP
▶ KSSM Mathematics Form 5 - Taxation
https://youtube.com/playlist?list=PLkQXp7Lpcc5t3yDOVhf1tlEyBmwUrT-3O
▶ KSSM ADDMATH Form 5 - Integration
https://youtube.com/playlist?list=PLkQXp7Lpcc5sdAPJM61mDR3EMEw2LVbSl
▶ KSSM Mathematics Form 5 - Insurance
https://youtu.be/CcAL91t-eWk
▶ KSSM ADDMATH Form 5 - Differentiation
https://youtube.com/playlist?list=PLkQXp7Lpcc5s9CL4xt4rh_jHaOF_886ha
▶ KSSM Mathematics Form 5 - Matrices
https://youtube.com/playlist?list=PLkQXp7Lpcc5vqWGtIdpP0JN97lULjX-xb
▶ KSSM ADDMATH Form 5 - Circular Measure
https://youtube.com/playlist?list=PLkQXp7Lpcc5uETyRg5EzT7H_ZbWeO_HyQ
▶ KSSM Mathematics Form 5 - Variation
https://youtube.com/playlist?list=PLkQXp7Lpcc5tr1NdltxmiBFNk8F0t_ZGb
? KSSM Mathematics Form 4
Chapter 1: Quadratic Functions and Equations in One Variable
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uuLRIaZvhC6c7wy2Y2wAQx
? Chapter 2: Number Bases
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uM44q_Lh9qvTMlP37z48i_
? Chapter 3: Logical Reasoning
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tW1FV9X0xuJiIoJWPzmR47
? Chapter 4: Operations on Sets
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5t-vZJwjM-SwwHlnPXN3Y3a
? Chapter 5: Network in Graph Theory
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sC3Ou4Z9_C1Mzc1AFLPbkC
? Chapter 6: Linear Inequalities in Two Variables
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5tOjdt-dYMSGrjNXplO9zEq
? Chapter 7: Graphs of Motion
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sEQG0GawrUUABSN9vF-nT5
? Chapter 8: Measures of Dispersion for Ungrouped Data
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5uSKEYCI0cfnU4OWTtpaLrW
? Chapter 9: Probability of Combined Events
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5sAEsiFLHqo8ppw-D4oZo4J
https://www.youtube.com/playlist?list=PLkQXp7Lpcc5vY4Qk6YKlhgt2RJnh49_uw
? Chapter 10: Consumer Mathematics: Fin
...
https://www.youtube.com/watch?v=_A9YvQJ1Cr4