What is Frequency in Statistics?

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ALOK_RAJ Asked Sep 27, 2023

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What is the frequency of a X-ray photon whose momentum is 1.1 × 10^{-23} kg.m.s^{-2}?

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The mean of the values of 1,2,3,.......n with respectively frequencies x, 2x, 3x, ..........nx, is

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If the mean of n observations $1^2, 2^2, 3^2, \ldots, n^2$ is $\frac{46 n}{11}$, then n is equal to

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