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andrew-mc [135]
3 years ago
13

Please help me ASAP​

Mathematics
1 answer:
alisha [4.7K]3 years ago
8 0

Answer:

D

Step-by-step explanation:

Mean tells us the average (in this case, total marks/ total number of students).

Standard deviation tells us the spread of a set of data from its mean (how much it deviates from the mean).

Thus, standard deviation can be used to determine the consistency of a data. <u>The smaller the standard deviation, the more consistent the data is</u>.

Since 4S has the smallest standard deviation of 1, it shows the most consistent achievement in the test.

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Answer:

129.996 cubic feet

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Assuming that the barrel is a perfect cylinder, we can use the formula to find the volume:

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