Math Problem Statement
Solution
The table shown provides data for weight intervals (Berat Badan), class midpoints (), and frequencies (Frekuensi). Here's the information:
Berat Badan (Weight Interval) | (Midpoint) | Frekuensi (Frequency) |
---|---|---|
47 – 49 | 48 | 3 |
50 – 52 | 51 | 6 |
53 – 55 | 54 | 8 |
56 – 58 | 57 | 7 |
59 – 61 | 60 | 6 |
To calculate the mean, we use the formula for the mean of grouped dataThe table shown provides data for weight intervals (Berat Badan), class midpoints (), and frequencies (Frekuensi). Here's the information:
Berat Badan (Weight Interval) | (Midpoint) | Frekuensi (Frequency) |
---|---|---|
47 – 49 | 48 | 3 |
50 – 52 | 51 | 6 |
53 – 55 | 54 | 8 |
56 – 58 | 57 | 7 |
59 – 61 | 60 | 6 |
To calculate the mean, we use the formula for the mean of grouped
Where:
- = class midpoint
- = frequency for each class
Step 1: Calculate
- For and ,
- For and ,
- For and ,
- For and ,
- For (
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Math Problem Analysis
Mathematical Concepts
Statistics
Mean Calculation
Grouped Data
Formulas
Mean = (Σ (x_i * f_i)) / (Σ f_i)
Theorems
-
Suitable Grade Level
Grades 9-12
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