If the crab 5ft below sea level and the cliff is 3ft above the sea level what is the distance between them?
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Her weighted mean grade is 81.2% if the student earned grades of 84, 78, 84, and 72 out of 100 on her four regular tests.
<h3>What is mean?</h3>It is defined as the single number that represents the mean value for the given set of data or the closed value for each entry given in the set of data.
We have a student who earned grades of 84, 78, 84, and 72 out of 100 on her four regular tests. She scored 78% on the final exam and 86% on her class projects.
The weighted mean can be calculated as:
After calculating, we get:
= 81.2%
Thus, her weighted mean grade is 81.2% if the student earned grades of 84, 78, 84, and 72 out of 100 on her four regular tests.
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