\(_{\ }H_0:\frac{S_{weekend}}{S_{weekdays}}\ -\frac{C_{weekend}}{C_{weekdays}}\ \geqslant 0\)
Therefore alternative hypothesis  \(H_1\) is stated as follows:
\(_{\ }H_1:\frac{S_{weekend}}{S_{weekdays}}\ -\frac{C_{weekend}}{C_{weekdays}}\ < 0\)