Final answer:
The level of measurement of the variable 'weight of rice bought by a customer' is Ratio.
Step-by-step explanation:
The level of measurement of the variable 'weight of rice bought by a customer' is Ratio. Ratio scale data is the highest level of measurement and it allows for the calculation of ratios. In this case, the weight of rice bought can be measured using a starting point of 0 and ratios can be calculated.