Florence Nightingale (1820-1910) is mostly known because of her work as a nurse during the Crimean War and her contribution to the reform in sanitary conditions at military hospitals. She is considered the mother of modern nursing and the creator of the first conceptual model of nursing. From a very young age she stood out in mathematics, and later on she applied her knowledge on statistics to epidemiology and to health statistics. She was the first woman to be admitted at the British Royal Statistical Society, and she was an honorary member of the American Statistical Association.

We propose the following statistics problem:

Here are the ages of the people who attended a conference:

Please answer the following questions:

a) Draw a complete statistical table.

b) Draw the graphic representation of the distribution. Create a pie chart and a histogram.

c) Calculate the centralisation and dispersion parameters.

d) Is it a homogeneous or disperse group regarding age?