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 18:30, Kelseyyleigh2611
Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?
Answers: 3
Mathematics, 21.06.2019 18:30, 987654321156
The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?
Answers: 1
Mathematics, 21.06.2019 22:10, cheryljoseph69
Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?
Answers: 1
Mathematics, 21.06.2019 22:40, zmzmzmzmz2975
If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).
Answers: 1
(09.06)
A teacher interested in determining the effect of a new computer program on learning to
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