arithmetic mean Find the arthmetic mean from data given Rate of respresition2, 16,20,30,39,40,45,49,50,65,70,79,80 Frequency 3,4,

arithmetic mean Find the arthmetic mean from data given Rate of respresition2, 16,20,30,39,40,45,49,50,65,70,79,80 Frequency 3,4,7,7,1,3,5,1,2,2,5,1,2​

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