Mathematics, 01.04.2021 01:00, Mathinator

5. (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
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

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:50, gshreya2005

(a) compute the maclaurin polynomial m2(x) for f(x) = cos x. (b) use the polynomial of part (a) to estimate cos π 12. (c) use a calculator to compute the error made using the estimate from part (b) for the value of cos π 12. remember that the error is defined to be the absolute value of the difference between the true value and the estimate.

Answers: 2

continue

Mathematics, 21.06.2019 17:30, sarahhfaithhh

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Answers: 1

continue

Mathematics, 21.06.2019 19:00, Marleneg

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Answers: 1

continue

Mathematics, 21.06.2019 22:00, HistoryLee

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

Answers: 3

continue

Do you know the correct answer?

5. (09.06) A teacher interested in determining the effect of a new computer program on learning to...