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If the mean of the distribution is 2.6, then the value of $γ$ is

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Correct option is C

mean =∑i=1n fixi∑i=1n fi∴ 2.6=1×4+2×5+3×y+4×1+5×24+5+y+1+2⇒ 31.2+2.6y=28+3y⇒ 0.4y=3.2⇒ y=8

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Variate x	1	2	3	4	5
Frequency f of x	4	5	y	1	2

If the mean of the distribution is 2.6, then the value of γ is

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If the mean of the distribution is 2.6, then the value of $γ$ is