Mathematics, 14.05.2021 17:40 icantspeakengles
Jada wants to know if students in middle school generally spend more time playing computer games than students in elementary school. She selects a random sample of size 20 from each population of students and asks them how many hours they played computer games last week. Suppose that the MAD for each of her samples is about 3 hours.
Select all pairs of sample means for which Jada could conclude there is a meaningful difference between the two populations.
Group of answer choices
elementary school: 8; middle school: 15;
elementary school: 5; middle school: 11;
elementary school: 13; middle school: 10;
elementary school: 7; middle school: 12;
elementary school: 14 hours, middle school: 10 hours
Answers: 2
Mathematics, 21.06.2019 19:00
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Mathematics, 21.06.2019 19:00
The test scores of 32 students are listed below. construct a boxplot for the data set and include the values of the 5-number summary. 32 37 41 44 46 48 53 55 57 57 59 63 65 66 68 69 70 71 74 74 75 77 78 79 81 82 83 86 89 92 95 99
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Mathematics, 21.06.2019 19:00
Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60
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Mathematics, 21.06.2019 21:30
Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?
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Jada wants to know if students in middle school generally spend more time playing computer games tha...
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