7. An experiment is established to gauge the benefits of using an online text bo

Question

7. An experiment is established to gauge the benefits of using an online text book versus a printed text. Two classes of students, a group that takes the course on Mondays and Wednesdays and another that takes the same course on Tuesdays and Thursdays, will be utilized in the experiment. a. Offer a suggestion on how a control group and a treatment group could be established. b. Define the treatment and how it should be applied so as to avoid any bias. c. Offer suggestions on exactly what data would be measured in the experiment and how it might be used to draw conclusions.

Explanation / Answer

a)

we must create 2 independent samples from the student population. One must have students that use online text book .
The other must have students that use only printed media. The students must be selected randomly without any selection bias

b)
we must measure the exm score of the students and them conduct a hypothesis test to check whthetr the mean values of the 2 independent samples are statistically signficant are not

c)

we must measure the exm data to check whether students who study using online text book perform better than the students who use print media .
Assume signficance level of 5% , if the p value is less than 0.05 , then reject the null hypothesis else fail to reject the null hypothesis

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