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Earn +20 ptsQ: How do you use Standard Deviation to compare students results?
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What is the significance of standard deviation?
To see how wide spread the results are. If the average (mean) grade for a certain test is 60 percent and the standard deviation is 30, then about half of the students are not studying. But if the mean is 60 and the standard deviation is 5 then the teacher is doing something wrong.
What if I have a very high standard deviation?
The larger the value of the standard deviation, the more the data values are scattered and the less accurate any results are likely to be.
How do I calculate the standard deviation cube test compressive results of 50486055535157526145?
A single observation, such as 50486055535157526145 cannot have a standard deviation cube test compressive result.
If the standard deviation of a group of data is the same are the results reliable?
It depends on WHAT the sd is the same as.
What does it mean if standard deviation was more than its mean?
It means the results (the information given) are spread out meaning the space in-between the results is quite big
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