Quantity of various food items a restaurant uses during 4 months of a year (in kg).
|
Food Item |
March | April | May | June |
| A | 220 | 180 | 270 | 320 |
| B | 255 | 320 | 390 | 420 |
| C | 280 | 295 | 280 | 315 |
| D | 350 | 310 | 250 | 280 |
| E | 308 | 340 | 350 | 365 |
What is the average quantity of food item C used during all 4 months together?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 292.5 kg.
We know that,
Average = Sum of observations/Number of observations
Total food items C = 280 + 295 + 280 + 315 = 1170
Average = 1170/4 = 292.5 kg