Mathematics
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

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 20.06.2019 18:04, elmoreroman11
Sasha invests $1000 that earns 8% interest compounded annually. write a function that describes the value, v, of the investment after t years.
Answers: 1
image
Mathematics, 21.06.2019 21:00, mawawakaiii
Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n βˆ’ 1) + 4; n > 1 f(1) = 4 and f(n) = f(n βˆ’ 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n βˆ’ 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n βˆ’ 1) + 2; n > 1 i will award !
Answers: 1
image
Mathematics, 22.06.2019 01:30, diamondgray2003
Quadrilateral efgh was dilated with the origin as the center of dilation to create quadrilateral e'f'g'h'. the quadrilateral was dilated using a scale factor of 2.5. the lengths of the sides of quadrilateral efgh are given. what is the length of side f'g'?
Answers: 1
image
Mathematics, 22.06.2019 02:30, gustavoroggero39
Joline is solving the equation 0=x^2-5x-4 using the quadratic formula which value is the negative real number solution to her quadratic equation round to the nearest tenth if necessary
Answers: 1
Do you know the correct answer?
A child psychologist claims that video games increase the number of violent behaviors that children...

Questions in other subjects:

Konu
Mathematics, 21.12.2019 21:31