Mathematics, 23.05.2020 17:58 KariSupreme
Lin wants to know if students in elementary school generally spend more time playing outdoors than students in middle school. She selects a random sample of size 20 from each population of students and asks them how many hours they played outdoors last week. Suppose that the MAD for each of her samples is about 3 hours. Select all pairs of sample means for which Lin could conclude there is a meaningful difference between the two populations.
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Mathematics, 21.06.2019 15:00
Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third
Answers: 1
Lin wants to know if students in elementary school generally spend more time playing outdoors than s...
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