A researcher conducted a study investigating the effect of computer screen time on a person's amount of REM sleep. The researcher randomly assigned 100 people into four groups. The first group was given 2 hours of computer screen time each day, the second group was given 4 hours each day, the third group was given 6 hours each day, and the fourth group was given 8 hours each day. The study was conducted for one week, and the amount of REM sleep for each person was measured. What is the explanatory variable in the study?
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A researcher conducted a study investigating the effect of computer screen time on a person's amount of REM sleep. The researcher randomly ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
The distance between - 3 and 4
Answers (1)
What is 4 square times 6
Answers (2)
5x - 2x + 6x + 40 - 9 + 1 - x + 3x - 8 + 15x + 7
Answers (1)
I need the answer to finding the reciprocal of - 72: (-9)
Answers (1)
In ΔEFG, the measure of ∠G=90°, FG = 2.3 feet, and EF = 6.4 feet. Find the measure of ∠F to the nearest degree.
Answers (1)
New Questions in Mathematics
Which type of tax does the federal government collect? A. sales tax B. income tax C. property tax
Answers (2)
A high school has 44 players on the football team. The summary of the players' weights is given in the box plot. What is the interquartile range of the players' weights?
Answers (1)
What digit is in the ten thousands place of the number 43,310.60 975
Answers (1)
What two mixed numbers between 3 and 4 have a product between 9 and 12
Answers (1)
Solve the formula for the variable h f=12gh
Answers (1)