1.

The results of speed studies is reported as under Speed range Frequency 30 - 40 10 40 - 50 15 50 - 60 9 60 - 70 5 The deviation of time mean speed from space mean speed is %.4.32

Answer» The results of speed studies is reported as under

























Speed range Frequency
30 - 40 10
40 - 50 15
50 - 60 9
60 - 70 5



The deviation of time mean speed from space mean speed is %.
  1. 4.32


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