Mathematics · Statistics
The mean and the standard deviation of 25 observations were given as 42 and 5, respectively. Later it was found that one of the observations was incorrectly entered as 10, when its correct value was 210. What is the correct standard deviation?
- 1√1047
- 2√1048
- 3√1050
- 4√1049✓
Correct answer
√1049
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