For data: $\{4,5,6,7,8\}$ with frequencies $\{2,3,4,2,1\}$, total observations are

For data: $\{4,5,6,7,8\}$ with frequencies $\{2,3,4,2,1\}$, total observations are
  1. $12$
  2. $5$
  3. $30$
  4. $11$

Solution

$2+3+4+2+1 = 12$.

Asked in: MH-SSC-9

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