Becasue the data may be skewed right or left (not symmetrical)
that is obvious when the median lean to left or right while the maximum and minimum records are still as they are.
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5 Bc u divide 15 by 3 to get 5
we need help? can somebody answer this question
A dependent means t-test determines if the differences between scores on the pretest and post-test measures differ significantly from Zero(0).
Benefits of pre-test measurements
This design is superior to the post-test-only control design because it adds pre-tests. Addition of pre-test: Improve your design ability to detect effects. You can investigate the impact of interventions on various sublevels of pretesting.
The design of the pre-test and post-test is similar to the in-subject experiment. In this experiment, each participant is first tested in control conditions and then in therapeutic conditions.
Learn more about pretesting. here: brainly.com/question/968894
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Answer:
<h2>
<em><u>2</u></em><em><u>x</u></em></h2>
Step-by-step explanation:
<h2>
<em><u>6</u></em><em><u>x/</u></em><em><u>3</u></em><em><u>=</u></em><em><u>2</u></em><em><u>x</u></em></h2>
<em><u>thank</u></em><em><u> you</u></em>
<em><u>that's</u></em><em><u> all</u></em>
