Youth in India. Selected Socio-Economic Statistics, a report by the Ministry of Statistics and Programme Implementation of India, depicts the socio-economic development of India through statistical indicators.The percentage distribution of population by age is:

Age Group (yr) Frequency (%)

0–4 10.7 5–9 12.4 10–14 11.9 15–19 9.3 20–24 8.8 25–29 8.4 30–34 7.4 35–39 7.0 40–44 5.2 45–49 4.5

a. Obtain a frequency histogram of these age data.

b. Based on your histogram, do you think that the ages of people are approximately normally distributed? Explain your answer.