Mathematics, 19.12.2019 01:31, DuckieTime

Aresearcher wants to determine if preschool attendance is associated with high school graduation for low-income students. she randomly assigns low-income children to two groups; one group will attend preschool program, the second group will not attend preschool. the researcher plans to follow the children in the study for 20 years and observe whether or not they graduate from high school. which of the following is the explanatory variable in this study?
a. the length of time it takes a subject to graduate high school
b. the income status of the children
c. whether or not a subject attends preschool
d. whether or not a subject graduates high school

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:00, samantha9430

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

Answers: 1

continue

Mathematics, 21.06.2019 20:30, bullockarwen

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Answers: 1

continue

Mathematics, 21.06.2019 21:30, alexialoredo625

Plz hurry evaluate the expression a+b where a=8 and b=19

Answers: 1

continue

Mathematics, 21.06.2019 23:00, camiserjai1832

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza

Answers: 2

continue

Do you know the correct answer?

Aresearcher wants to determine if preschool attendance is associated with high school graduation for...