GATE Civil Engineering (CE) 2018 Shift 1 Solved Paper
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Question : 20
Total: 65
The frequency distribution of the compressive strength of 20 concrete cube specimen is given in the table.
If µ σ µ − 3 σ
| f(MPa) | Number of specimens with compressive strength equal to |
|---|---|
| 23 | 4 |
| 28 | 2 |
| 22.5 | 5 |
| 31 | 5 |
| 29 | 4 |
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