Why is the chi - square test the best analysis for the example? Could we use another type of analysis to assist the client? Why or Why not?

Why is the chi - square test the best analysis for the example? Could we use another type of analysis to assist the client? Why or Why not? A client gives you a data set of 30 observed values that represent the number of gallons of gas that 30 individual Nissan Sentra owners purchased at the gas pump last month. Your client wants to know if the data set represents a normal distribution.