Hint: Molecular formula is C₈H₁₀
Clarification:
2.3 ppm singlet (intensity 6)
6.9 ppm triplet (intensity 1)
7.0 ppm singlet (intensity 1)
7.2 ppm doublet (intensity 2)

1. Identify the non-equivalent protons.

2. Select  which group of protons corresponds to which peak in the spectrum based upon chemical shift and splitting pattern.