Question

After reviewing the results of a math test, the teacher tells the class that those students who completed their review worksheets scored an average of 10 points higher on the test than those students who did not complete their review worksheets. Which of the following best describes how the teacher likely came to this conclusion?
The teacher conducted a sample survey by asking students if they completed their review worksheets and if they think they did well on the test.
The teacher conducted a sample survey by asking students if they completed their review worksheets and if they think they did well on the test.

The teacher conducted an observational study by comparing the performance on the test of those who completed their review worksheets to those who did not complete their review worksheets.
The teacher conducted an observational study by comparing the performance on the test of those who completed their review worksheets to those who did not complete their review worksheets.

The teacher performed a rand

Answer 1

The sampling shows that the conclusion by the teacher is done as D. The teacher conducted an observational study by comparing the performance on the test.

What is sampling?

Sampling simply means a process on statistical analysis that's used to take observations about a population.

In this case, the teacher conducted an observational study by comparing the performance on the test of those who completed their review worksheets to those who did not complete their review worksheets.

Learn more about sampling on:

brainly.com/question/17831271