Following are the ages of 360 patients getting medical treatment in a hospital on a day :
Age (in years ) : 10 - 20 20 - 30 30 - 40 40 - 50 50 - 60 60 - 70
No. of Patients : 90 50 60 80 50 30
Construct a cumulative frequency distribution.

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Solution

Age in years No. of patients
Less then 20 90
Less then 30 140
Less then 40 200
Less then 50 280
Less then 60 330
Less then 70 360

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Q. Following are the ages of 360 patients getting medical treatment in a hospital on a day:

Age (in years):	10-20	20-30	30-40	40-50	50-60	60-70
No.of Patients:	90	50	60	80	50	30

Construct a cumulative frequency distribution.

Q. Following are the ages (in years) of 360 patients, getting medical treatment in a hospital:

Ages (in years)	10−20	20−30	30−40	40−50	50−60	60−70
Number of patients	90	50	60	80	50	30

Construct the cumulative frequency table for the above data.

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.

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]

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
No. of patients	60	42	55	70	53	20

Form:(1) less than type cumulative frequency distribution

(2)more than type cumulative frequency distribution

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Age (in years ) :	10 - 20	20 - 30	30 - 40	40 - 50	50 - 60	60 - 70
No. of Patients :	90	50	60	80	50	30

Age in years	No. of patients
Less then 20	90
Less then 30	140
Less then 40	200
Less then 50	280
Less then 60	330
Less then 70	360

Following are the ages of 360 patients getting medical treatment in a hospital on a day :Age (in years ) :10 - 2020 - 3030 - 4040 - 50 50 - 60 60 - 70No. of Patients :905060805030Construct a cumulative frequency distribution.

Age in years No. of patientsLess then 2090Less then 30 140Less then 40 200Less then 50 280Less then 60330Less then 70360

Following are the ages of 360 patients getting medical treatment in a hospital on a day :
Age (in years ) : 10 - 20 20 - 30 30 - 40 40 - 50 50 - 60 60 - 70
No. of Patients : 90 50 60 80 50 30
Construct a cumulative frequency distribution.

Age in years No. of patients
Less then 20 90
Less then 30 140
Less then 40 200
Less then 50 280
Less then 60 330
Less then 70 360