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.

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Solution

The cumulative frequency table can be presented as given below:

Age (in years ) No. of patients Cumulative frequency

10-20 90 90

20-30 50 140

30-40 60 200

40-50 80 280

50-60 50 330

60-70 30 360

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Similar questions

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

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

One of the patients is selected at random.
Find the probability that his age is
(i) 30 years or more but less than 40 years
(ii) 50 years or more but less than 70 years
(iii) less than 10 years
(iv) 10 years or more

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

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

One of the patients is selected at random.
What is the probability that his age is
(i) 30 years or more but less than 40 years?
(ii) 50 years or more but less than 70 years?
(iii) 10 years or more but less than 40 years?
(iv) 10 years or more?
(v) less than 10 years?

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.

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

Age (in years )	No. of patients	Cumulative frequency
10-20	90	90
20-30	50	140
30-40	60	200
40-50	80	280
50-60	50	330
60-70	30	360

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.

The cumulative frequency table can be presented as given below: Age (in years ) No. of patients Cumulative frequency 10-20 90 90 20-30 50 140 30-40 60 200 40-50 80 280 50-60 50 330 60-70 30 360

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.

The cumulative frequency table can be presented as given below:

Age (in years ) No. of patients Cumulative frequency

10-20 90 90

20-30 50 140

30-40 60 200

40-50 80 280

50-60 50 330

60-70 30 360