Math Problem Statement
Solution
Let me analyze the image and solve the given questions.
Question 6: Variance (Ragam)
The data set is: 7, 8, 5, 7, 6, 8, 7, 6, 7, 8, 6, 7, 8, 6.
Steps:
- Find the Mean ():
Mean
(
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Math Problem Analysis
Mathematical Concepts
Statistics
Variance
Mean
Median
Quartiles
Range
Spread
Formulas
Variance formula: σ² = Σ(x - μ)² / N
Mean formula: μ = Σx / N
Median formula: Position = (N + 1) / 2
Quartile formula: Qk = L + [(kN/4) - F] / f × c
Range formula: Max - Min
Spread formula: Interquartile Range (Q3 - Q1)
Theorems
Properties of central tendency
Properties of dispersion
Suitable Grade Level
Grades 10-12
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