Say what is the population, the sample, the individuals and the variable and its type in the following examples:

a) The birht weight of the babies who were born in Albacete last year.

b) We askedĀ  30 students in this school what did they wanted to do in the future.

c) Hours per week that the Spanish ESO students study.

d) We asked 30 families from Illescas about how much money they spent last month.



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