1.

If the mean is 50 find f CI=0-20,20-40,40-60,60-80,80-100F=17,f,32,24,19

Answer»

The SUM of the FREQUENCY is EQUAL to 120, so the sum be 17+f1+32+24+19 = 120,

f=120-92

f=28

hope this will HELP you



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