Mathematics · Averages
The mean of 5 observations is 7. Later on, it was found that two observations, 4 and 8, were wrongly recorded instead of 5 and 9. What is the correct mean?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 18.5
- 27.4✓
- 36.3
- 45.4
Correct answer
7.4
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