The following data about the flow of liquid was observed in a continuous chemical process plant
Flow rate (litres/sec) |
7.5 to 7.7 |
7.7 to 7.9 |
7.9 to 8.1 |
8.1 to 8.3 |
8.3 to 8.5 |
8.5 to 8.7 |
Frequency |
1 |
5 |
35 |
17 |
12 |
10 |
Mean flow rate of the liquid is
8.00 litres/sec
8.06 litres/sec8.16 litres/sec
8.16 litres/sec
8.26 litres/sec