The mean of 50 observations was 36. Later, it was found that an observation of 48 was mistakenly recorded as 23. What is the corrected mean?
- A. 35.5
- B. 36.5
- C. 40.5
- D. 42.5
- 36.5
Please select one of the options to reveal the correct answer.
Please select one of the options to reveal the correct answer.