Question

If the mean of 5 given observations x+2,x+4,x+5,x+6,x+8 is 20 then find the observations

Answer 1

Answer:

Step-by-step explanation:

(x+2+x+4+x+5+x+6+x+8)/5= 20

5x+25=100

5x=75

x=15

1st observation= x+2= 15+2 = 17

2nd                   = x+4 =15+4=19

3rd                     = x+5 = 15+5 =20

4th                      = x+6 = 15+6 = 21

5th                      = x+8=15+8 = 23

Answer 2

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