Twenty randomly selected statistics students were given 15 multiple-choice questions and 15 open-ended questions, all on the sam
e material. The professor was interested in determining if students scored higher on the multiple-choice questions. This experiment is an example of ______.
In a paired sample t-test, every entity is measured two times(twice), resulting in pairs of observations. It is used to determine whether the mean difference between two sets of observations is zero or not.
An example would be to measure performance of patients before and after the medicine and analyze difference using sample paired t test.
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<em>Here, in the given statement, each student is provided with 15 multiple choice questions and 15 open ended questions on same material. It can also be inferred as each student given two sets of same material and their performance was being observed. Hence, it is a paired t-test.</em>
Step-by-step explanation:this is the pythagorean theorem so it has to be 14 x 16 and if the long side is not a perfect number then leave it with a square root