The data set is given as follows;
[tex]\begin{gathered} 74,66,72,56,79,98,84 \\ (1)\text{The mean is given as} \\ M=\frac{\Sigma x}{x} \\ M=\frac{74+66+72+56+79+98+84}{7} \\ M=\frac{529}{7} \\ M=75.57 \\ (2)To\text{ calculate the median, you arrange the numbers in ascending order} \\ \text{That is from least to greatest, the numbers are;} \\ 56,66,72,74,79,84,98 \\ \text{Counting 3 numbers from both left and right, the middle value is 74} \\ (3)\text{The mode is the value that occurs most frequently.} \\ \text{From the data set, all values occur only once, hence there is no mode in this data set} \end{gathered}[/tex]Therefore the answers are;
(1) Mean = 75.57
(2) Median = 74
(3) Mode = No modal value
