The mean of 25 values was 190. It was detected on rechecking that one value 165 was wrongly copied as 130 for the computation of the mean. Find the correct mean.
Choose the correct choice from the following answers:	A) 151	B) 149	C) 152	D) 191.4	E) none of the above

Rationale: "corrected mean = 190 × 25 − 130 + 165 / 25 = 4750 + 35 / 25 = 4785 / 25 = 191.4 answer d"
Answer: D