ayuda! Es la representación gráfica de una variable cuantitativa continua que agrupa intervalos de clases y es representada en forma de barras a) Histograma b) Ojiva c) Polígono de frecuencia

a) Histograma (histogram).

Step-by-step explanation:

First of all, a continuous variable only admits whole numbers, not decimals.

Now, in statitics, there are several way to reprepsent some data collected from a survey. The most popular tool are bar-graphs or histograms, they are used to show frequency distributions through graphs, where we use interval classes.

Therefore, the right answer is a.