niceygraham200ov46fq
niceygraham200ov46fq niceygraham200ov46fq
  • 25-01-2018
  • Mathematics
contestada

Help me, please! Do SAT prep courses really help improve your test results? Design an experiment to answer this question. Suppose you have 200 subjects to work with.

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samroberts911 samroberts911
  • 25-01-2018
I asked 10 of my classmates and 6 out of 10 said yes. 
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