Math Problem Statement
Approximate the mean for following GFDT. Data Frequency 30 - 34 13 35 - 39 16 40 - 44 12 45 - 49 11 50 - 54 7 55 - 59 7 60 - 64 4 65 - 69 1 70 - 74 1
mean =
Report answer accurate to one decimal place.
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Grouped Data
Mean Approximation
Formulas
Mean = (Σ f * x) / Σ f
Midpoint x = (Lower Class Limit + Upper Class Limit) / 2
Theorems
Grouped Frequency Distribution Mean Formula
Suitable Grade Level
Grades 10-12
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