Answer :
Answer:
[tex]\begin{gathered} \text{ mean=22} \\ \text{medium}=21.5 \\ \text{ mode=26} \end{gathered}[/tex]Explanation:
Rewriting the given data in ascending order;
[tex]17,19,20,21,22,25,26,26[/tex]Calculating the mean;
[tex]\begin{gathered} \operatorname{mean}=\frac{\text{ sum of data}}{\text{ number of data}}=\frac{17+19+20+21+22+25+26+26}{8}=\frac{176}{8} \\ \operatorname{mean}=22 \end{gathered}[/tex]Calculating the median;
[tex]\begin{gathered} \operatorname{median}=\text{the middle number when arranged in ascending order.} \\ \operatorname{median}=\frac{21+22}{2}=\frac{43}{2}=21.5 \end{gathered}[/tex]Calculating the mode;
[tex]\begin{gathered} \text{ mode= most occurring number/number with the highest frequency mode } \\ \text{ mode= 26} \end{gathered}[/tex]Therefore, we have;
[tex]\begin{gathered} \text{ mean=22} \\ \text{medium}=21.5 \\ \text{ mode=26} \end{gathered}[/tex]