Question:medium
If the combined mean of two groups is \( \frac{40}{3} \) and if the mean of one group with 10 observations is 15, then the mean of the other group with 8 observations is equal to
If the combined mean of two groups is \( \frac{40}{3} \) and if the mean of one group with 10 observations is 15, then the mean of the other group with 8 observations is equal to
Show Hint
Combined mean problems always reduce to weighted averages.
Updated On: May 8, 2026
- \( \frac{46}{3} \)
- \( \frac{35}{4} \)
- \( \frac{45}{4} \)
- \( \frac{41}{4} \)
- \( \frac{43}{4} \)
Show Solution
The Correct Option is D
Solution and Explanation
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