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

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:30, DJEMPGYT

Will give are given that xy is parallel to zw. if xz is a transversal that intercepts xy and zw, angle angle alternate interior angles. since xy is parallel to zw, we know that these angles are we also know that angle xvy and angle zvw are , and thus congruent. we can conclude that △xyv ~ △zwv using the similarity theorem.

Answers: 2

continue

Mathematics, 21.06.2019 18:30, zahradawkins2007

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Answers: 2

continue

Mathematics, 21.06.2019 21:30, Gb728888

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box

Answers: 1

continue

Mathematics, 21.06.2019 21:30, LEXIEXO

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Answers: 2

continue

Do you know the correct answer?

Dr. Tanaka is an educational psychologist interested in students’ attitudes toward science and the e...