1.

\left. \begin{array} { | c | c | c | c | c | c | } \hline \text { Classes } & { 0 - 20 } & { 20 - 40 } & { 40 - 60 } & { 60 - 80 } & { 80 - 100 } \\ \hline \text { Frequency } & { 17 } & { 28 } & { 32 } & { P } & { 19 } \\ \hline \end{array} \right.

Answer»

17+28+32+p+19/5 = 50

p+96 = 250

p = 154

Please show by using class 10 stats formula



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