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Histogram

The ages in y...

Question

The ages (in years) of 360 patients treated in a hospital on a particular day are given below. Draw a histogram to represent the given data.

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Solution

From the given table, we can see that the frequency for the class interval 10-20 is 90, 20-30 is 40, and so on.

Consider the class intervals that is, age (in years) on the x – axis and number of patients on the y- axis and draw rectangles which provide the required histogram.

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

Age in years	10−20	20−30	30−40	40−50	50−60	60−70
Number of patients	90	40	60	20	120	30

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

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. The following table shows 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

Find the median age of the patients.

Q. The age (in years) of 360 patients treated in a hospital on a particular day are given below. Draw a histogram and a frequency polygon on the same graph to represent the given data.

Q. The age (in years) of

360

patients treated in the hospital on a particular day are given below.

Age in years	$10 - 20$	$20 - 30$	$30 - 50$	$50 - 60$	$60 - 70$
No. of patients	$80$	$50$	$80$	$120$	$30$

Draw a histogram for the above data.

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