Answered

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Why is an inference from sample data necessary when considering population parameters?

a. Because sample data provides a more accurate representation of population parameters than the population itself.
b. Because laws of probability can only be applied to sample data, not to population parameters.
c. Because it is always possible to survey every member of a population.
d. Because the value of a population parameter is usually not known and must be estimated from the sample.

Sagot :

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