The following are the ages of 300 patients getting medical treatment in a hospital on a particular day- Agein year 10-20 20-30 30-40 40 - 50 50-60 60-70- Number of patients 60 42 55 70 53 20- -Form-More than type cumulative frequency distribution-

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Standard X

Mathematics

Class Interval

The following...

Question

The following are the ages of 300 patients getting medical treatment in a hospital on a particular day
$\begin{matrix} A g e (i n y e a r) & 10 - 20 & 20 - 30 & 30 - 40 & 40 - 50 & 50 - 60 & 60 - 70 N u m b e r o f p a t i e n t s & 60 & 42 & 55 & 70 & 53 & 20 \end{matrix}$
Form:
More than type cumulative frequency distribution.

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Solution

We observe that all 300 patients which take medical treatment more than or equal to 10. Since, there are 60 patients which take medical treatment in the interval 10-20, this means that there are 300 - 60 = 240 patients which take medical treatment more than or equal to 20. Continuing in the same manner.
$\begin{matrix} M o r e t h a n t y p e & M o r e t h a n t y p e A g e (i n y e a r) & N u m b e r o f s t u d e n t s M o r e t h a n o r e q u a l t o 10 & 300 M o r e t h a n o r e q u a l t o 20 & 240 M o r e t h a n o r e q u a l t o 30 & 198 M o r e t h a n o r e q u a l t o 40 & 143 M o r e t h a n o r e q u a l t o 50 & 73 M o r e t h a n o r e q u a l t o 60 & 60 \end{matrix}$

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Q. Question 13(ii)
The following are the ages of 300 patients getting medical treatment in a hospital on a particular day

\begin{matrix} A g e (i n y e a r) & 10 - 20 & 20 - 30 & 30 - 40 & 40 - 50 & 50 - 60 & 60 - 70 N u m b e r o f p a t i e n t s & 60 & 42 & 55 & 70 & 53 & 20 \end{matrix}

Form

(ii) More than type cumulative frequency distribution.

The following are the ages of 300 patients getting medical treatment in a hospital on a particular day:

Age (in years)	10−20	20−30	30−40	40−50	50−60	60−70
Number of patients	60	42	55	70	53	20

Form a 'less than type' cumulative frequency distribution. [CBSE 2013]

Following are the ages (in years) of 360 patients, getting medical treatment in a hospital:
$\begin{matrix} Age (in years) & 10 - 20 & 20 - 30 & 30 - 40 & 40 - 50 & 50 - 60 & 60 - 70 Numbr of patients & 90 & 50 & 60 & 80 & 50 & 30 \end{matrix}$
Construct the cumulative frequency table for the above data.

Q. The following table shows ages of 300 patients getting medical treatment in a hospital on a particular day.
Find the median age of patients

Age (in years)	10 - 20	20 - 30	30 - 40	40 - 50	50 - 60	60 - 70
No. of Patients	60	42	55	70	53	20

Q. The ages (in years) of 360 patients treated in a hospital on a particular dayare given below.

\begin{matrix} Age in years & 10 - 20 & 20 - 30 & 30 - 40 & 40 - 50 & 50 - 60 & 60 - 70 Number of patients & 90 & 40 & 60 & 20 & 120 & 30 \end{matrix}

Draw a histogram and a frequency polygon on the same graph to represent the above data.

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The following are the ages of 300 patients getting medical treatment in a hospital on a particular day Age(in year)10−2020−3030−4040−5050−6060−70Number of patients604255705320 Form: More than type cumulative frequency distribution.