railway RRB Technician Grade 1 Mock Test 2024 Quantitative Aptitude Elementary Statistics

दिए गए बारम्बारता बंटन का अंकगणितीय माध्य ज्ञात कीजिए।

अंक बारम्बारता
50 3
28 4
85 6
40 7

1
52.6
2
40.95
3
50.5
4
56.2
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