Question

5. The age (in years) of 360 patients treated in a hospital on a

particular day are given below:

Age in years Number of patients

10 – 20 90

20 – 30 40

30 – 40 60

40 – 50 20

50 – 60 120

60 – 70 30



Draw a histogram and frequency polygon on the same graph to

represent the above data. ​

Answer 1

The age (in years) of 360 patients treated in a hospital on a particular day are given below:

Age in years Number of patients

10-20 90

20-30 40

30-40 60

40-50 20

50-60 120

60-70 30

Answer 2

Answer:

Age in years Number of patients 10-20 90 20-30 40 30-40 60 40-50 20 50-60 120 60-70 30 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 provides the required histogram. To construct a frequency polygon, take 0 – 10 and 70 – 80 as imaginary class intervals having class marks 5 and 75 with frequency zero and join the midpoints of rectangles i.e. A (5, 0) and B (75, 0). So the frequency polygon is as given below: Read more on Sarthaks.com - https://www.sarthaks.com/724319/the-age-in-years-of-360-patients-treated-in-a-hospital-on-a-particular-day-are-given-below