Question

Take a Test - Andrew Adams estld-196876923&centerwin yes STA 125-15 Spring 2019 Quiz: Ch. 1 Quiz This Question: 1 p Andrew Adams & 1 1/27/19 1027 PM Time Remaining: 00:13:07 Submit Quiz This Quiz: 18 pts possible 17 of 18 (12 complete) A school psychologist wants to test the effectiveness of a new method of teaching statistios. She recruits 200 first-grade students and randomiy divides them into tw groups Group 1 is taught by means of the new method, while group 2 is taught by tradtional methods. The same teacher is assigned to teach both groups Al the end ofขาย year, an achievement test (graded on a scale from 1-10) is admnistered and the resus arro two groups are copaedCongose pas (s) nough Osea utt。The teachers O The 200 students O All frst grade students in the school district dules O The school destrict O B. Figure 2 Tests Figure 1 Click to select your anwer 3 5 6 8

Answer 1

Part (i)

The correct figure for this design is figure 1.

We are bifurcating the sample into two sets and then implementaling two methods of teaching on those two sets. At last we are testing the difference in these methods by calculating the difference in their means.