Math Problem Statement
Approximate the mean for following GFDT. Data Frequency 70 - 74 1 75 - 79 3 80 - 84 8 85 - 89 12 90 - 94 17 95 - 99 15 100 - 104 9 105 - 109 5 110 - 114 1
mean =
Report answer accurate to one decimal place.
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Grouped Frequency Distribution
Mean Calculation
Formulas
Mean = (Σ(f * x)) / Σf
Midpoint (x) = (Lower Bound + Upper Bound) / 2
Theorems
Arithmetic Mean Theorem
Suitable Grade Level
Grades 9-11
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