STA301 Question 1 Solution

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Q  #1:
solution:
Given;
2 =196
n = 25
Find;
   x¯ =?
  2 =? 
x¯ =    
So
   x¯    = 20
   2x ¯ =    2/n
    2 =196/25
    2 =7.84

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