Mathematics, 25.08.2020 19:01 cookiemonster0476
A college biology teacher wants to know whether being tutored at the
study lab will help her students score higher on their final exam. She
randomly selects 60 students from among the four sections of
Introductory Biology that she teaches. Then she randomly divides
them into two groups of 30 students each. Group A will be tutored at
the study lab, and group B will not be tutored at the study lab. After all
60 students take their final exam, she will compare their results.
Which of these are the treatments in this experiment?
O A. Being tutored at the study lab and not being tutored at the study
lab
O B. Having taken high school biology and not having taken high
school biology
O C. Being one of the 60 students selected and not being one of the 60
students selected
O D. Taking a morning biology class and taking an afternoon biology
class
Answers: 1
Mathematics, 21.06.2019 16:30
Anyone know? is appreciated! will mark brainliest if correct!
Answers: 2
Mathematics, 21.06.2019 17:50
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
Answers: 2
Mathematics, 21.06.2019 18:30
Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!
Answers: 1
A college biology teacher wants to know whether being tutored at the
study lab will help her studen...
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