Compound X has a molecular formula C8H10 and gives the 1H NMR spectrum below.What is the structure of X? 
Definitions:
Distribution
In statistics, distribution refers to the way values of a variable are spread or dispersed across a range.
Standard Deviation
A measure of the amount of variation or dispersion of a set of values, indicating how spread out the data points are from the mean.
Variation
The occurrence of differences or discrepancies in characteristics, outcomes, or processes within or among entities or populations.
Degree
An academic rank conferred by universities or colleges upon completion of a course of study or the level of angle measured in degrees.
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