The table below shows the daily electricity consumption (in kWh) of a housing complex…
MATHEMATICS · Subjective · CBSE · Mathematics · Statistics · Statistics
Problem
The table below shows the daily electricity consumption (in kWh) of a housing complex over 60 days. The mean consumption is 67 kWh.| Consumption (kWh) | 40–50 | 50–60 | 60–70 | 70–80 | 80–90 | 90–100 |
|---|---|---|---|---|---|---|
| Number of days | 8 | k | 14 | k+4 | 6 | 4 |