state gov APPSC Group 4 (Pre+Mains) Mock Test 2022 Quantitative Aptitude Elementary Statistics

If 1 occurs 2y times, 2 occurs y times and 4 occurs 4y times, then find the mean for the following observations.

1
\(\frac{15}{7}\)
2
\(\frac{10}{7}\)
3
\(\frac{20}{17}\)
4
\(\frac{20}{7}\)
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