subject
Mathematics, 16.10.2020 20:01 claudia122752

A child psychologist claims that video games increase the number of violent behaviors that children exhibit per week test the psychologist's claim, a school principal decided to conduct an experiment. The principal randomly selected 300 children and
assigned 150 of the children to at least 30 minutes of video game play per day. The principal then assigned the remaining
150 children to no video game play.
After observing the children for one year, the principal reported that, on average, children who played at least 30 minutes of video
games per day exhibited four more violent behaviors per week than children who did not play video games
What can be concluded from the principal's report?
OA. It can be concluded that children who do not play video games exhibit more violent behaviors per week than children
who play at least 30 minutes of video games per day.
OB. It can be concluded that children who play at least 30 minutes of video games per day exhibit more violent behaviors
per week than children who do not play video games
OC. There is not enough information to make any conclusions regarding the principal's report.
OD. It can be concluded that video games have no impact on the number of violent behaviors exhibited by children per
week
n
A101 General podp

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?
Answers: 1
question
Mathematics, 21.06.2019 22:20
An object in geometry with no width, length or height is a(n):
Answers: 1
question
Mathematics, 21.06.2019 23:00
Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?
Answers: 2
question
Mathematics, 22.06.2019 01:50
:i need some real : a store sells shirts to the public at one pricing scale and wholesale at another pricing scale. the tables below describe the cost, y, of x shirts. (after tables) how do the slopes of the lines created by each table compare? the slope of the public table is 3/4 of the slope of the wholesale table.the slope of the wholesale table is 3/4 of the slope of the public table.the slope of the public table is 12 times greater than the slope of the wholesale table.the slope of the wholesale table is 12 times greater than the slope of the public table.
Answers: 3
You know the right answer?
A child psychologist claims that video games increase the number of violent behaviors that children...
Questions
question
English, 01.12.2020 18:20
question
Biology, 01.12.2020 18:20
question
Mathematics, 01.12.2020 18:20
Questions on the website: 13722363