1.

The traffic police recorded the speed (in km/hr) of 10 motorists as 47,53,49,60,39,42,55,57,52,48.Later on error in recording instrument was found.Find the correct average of the motorists if the instrument recorded 5 km/hr less in each case.

Answer»

The traffic police recorded the speed (in km/hr) of 10 motorists as 47,53,49,60,39,42,55,57,52,48.Later on error in recording instrument was found.Find the correct average of the motorists if the instrument recorded 5 km/hr less in each case.



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