Question

If di = xi - 25, fidi = 200 and fi = 100 then find X.​

Answer 1

Answer:

Answer is 27

Step-by-step explanation:

Mean = a + ¶fiui/¶fi ×h,ui = diya/ h

a = 25,h = 10,¶fiui = 20,¶fi = 100

Mean = 25 + 20/100 × 10 = 27