\( \begin{array}{ll}\quad V & B \\ & B \\ \text { a. Construye una tabla de frecuencias de los datos } \\ \text { recolectados. } \\ \text { b. Representa gráficamente el conjunto de datos, } \\ \text { en diagrama circular y diagrama de barras. } \\ \text { c. Encuentra la moda. } \\ \text { d. Si la secretaria debe elaborar un informe para }\end{array} \)

Fill in the blank so that the resulting statement is true. \( \frac{\Sigma x}{n} \), the sum of all the data items divided by the number of data items, is the measure of central tendency called the

Find the mean for the following group of data items. \( 7,1,5,4,6,3,1,9 \) The mean is T. (Type an integer or a decimal.)

The accompanying data describes the earnings of 15 celebrities. Complete parts (a) through (d). a. Find the mean. The mean earnings of the 15 celebrities is \( \$ \square \) million. (Round to the nearest tenth as needed.)

A data value that occurs most often in a data set is the measure of central tendency called the \( \square \)

Find the midrange for the following group of data items. \( 84,24,54,24,44 \), The midrange is . (Type an integer or a decimal.)