Answer:
Step-by-step explanation:
Mean=sum of all the data's/number of data's
[tex]=\frac{\frac{1}{4}+\frac{1}{2}+\frac{1}{2}+\frac{3}{4}}{4}\\\\=\frac{\frac{1+3}{4}+\frac{1+1}{2}}{4}\\\\=\frac{\frac{4}{4}+\frac{2}{2}}{4}\\\\=\frac{1+1}{4}\\\\=\frac{2}{4}\\\\=\frac{1}{2}[/tex]
