Question

average no. of patient admitted during a day in hospital are​

Answer 1

SOLUTION

TO DETERMINE

Average number of patient admitted during a day in hospital

EVALUATION

We first construct the frequency table as below

$\begin{gathered} \begin{array}{|c|c| c|c| } \underline{ \bf{Class \: Interval}} & \underline{ \bf{Mid \: value(x_i)}}& \underline{ \bf{Frequency(f_i)}}& \underline{ \bf{f_ix_i}} \\ \\ 5 - 15 & 10 & 8&80 \\15 - 25 & 20 & 10 &200\\25 - 35 & 30 & 20 &600\\35 - 45 & 40 & 23 &920\\45 - 55 & 50 & 14 &700\\ 55 - 65&60&5&300 \\ \\ \underline{ \bf{Total}}&& \bf{80}& \bf{2800 }\end{array}\end{gathered}$

Hence the required average

$\displaystyle\sf{ = \frac{ \sum f_ix_i}{ \sum f_i} }$

$\displaystyle\sf{ = \frac{ 2800}{80} }$

$\bf{ = 35}$

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