Question: Determine whether each number describes a population parameter or a sample statistic. Explain. (a) A survey of 1003 U.S. adults ages 18 years and older

Determine whether each number describes a population parameter or a sample statistic. Explain.

(a) A survey of 1003 U.S. adults ages 18 years and older found that 72% own a smartphone. 

(b) In a recent year, the average evidence-based reading and writing score on the SAT was 543.

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