Mathematics, 05.05.2020 06:58 Meirna
Dr. Tanaka is an educational psychologist interested in students’ attitudes toward science and the effect of those attitudes on performance on standardized tests. He chooses his local school district to study. There are 15 high schools, and he randomly chooses five. Then, of the 2,500 students in each of those five schools, he randomly recruits 250 students. This is an example of which of the following sampling techniques?
1. Snowball sample
2. systemaic sample
3. multistage sample
4. cluster sample
Answers: 2
Mathematics, 22.06.2019 02:00, b2cutie456
Emily convinced her mom to buy a giant box of her favorite cereal. her mom doesn't think the box will fit on their shelf. the volume of the box is 1000 cm^3 . the base of the box is 25 cm by 10 cm
Answers: 1
Mathematics, 22.06.2019 02:40, torybobadilla
Explain how the quotient of powers was used to simplify this expression.
Answers: 1
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