Mathematics, 17.05.2021 19:00 mrhortert540
(09.06)
A teacher interested in determining the effect of a new computer program on learning to
read conducted a study. One hundred students were randomly assigned to one of two
groups. The first group used the computer program while the second group did not. Both
groups were tested to determine how much their reading levels improved. The results for the
two groups were compared. What kind of study is this? (2 points)
This is an experiment because a treatment was applied to a group.
This is an experiment because students were able to choose which group to join.
O This is a survey because students were randomly assigned to groups.
O This is a survey because a treatment was applied to both groups.
Answers: 2
Mathematics, 21.06.2019 18:40
Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
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The track team ran a mile and a quarter during their practice how many kilometers did her team runs?
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Find all the angles that satisfy the equation cos(θ)=32
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(09.06)
A teacher interested in determining the effect of a new computer program on learning to
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