Multiple choice

The mean of $15$ observations is $32$. Find the resulting mean. if each observation is increased by $60\%$

  1. $51.2$
  2. $50.2$
  3. $61.2$

  4. None of these
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A Correct answer
Explanation

If each observation is increased by 60%, the new mean is the old mean increased by 60%. New mean = 32 * 1.6 = 51.2.

AI explanation

If each observation is increased by 60%, the resulting mean increases by 60% of its original value. The new mean equals 32 plus 0.60 multiplied by 32, which is 32 plus 19.2. This results in a new mean of 51.2.

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