📢 1800+ Railway Questions & RRB Study Material🚀
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The mean of 10 observations is 17. One more observation is included and the new mean becomes 16. The $$11^{th}$$ observation is
16
8
6
12
$$17\times 10=170$$
$$11\times 16=176$$
176-170=6
the 11th observation is 6
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