the marks of 8 candidates in an examination were 27,32,33,45,59,63,75,90 find the mean and the standard deviation. i need it fast I will mark the correct answer as the brainliest
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Answer:
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Algebra 1 : How to find standard deviation
Study concepts, example questions & explanations for Algebra 1
Example Questions
Algebra 1 Help » Statistics and Probability » How to find standard deviation
Find Standard Deviation : Example Question #1
Find the standard deviation of the following set of numbers: Round your answer to the nearest tenth.
Possible Answers:
Correct answer:
Explanation:
To find the standard deviation of a set of numbers, first find the mean (average) of the set of numbers:
Second, for each number in the set, subtract the mean and square the result:
Then add all of the squares together and find the mean (average) of the squares, like this:
Finally, take the square root of the second mean:
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Find Standard Deviation : Example Question #2
Find the standard deviation of the following set of numbers: Round your answer to the nearest hundredth.
Possible Answers:
Correct answer:
Explanation:
To find the standard deviation of a set of numbers, first find the mean (average) of the set of numbers:
Second, for each number in the set, subtract the mean and square the result:
Then add all of the squares together and find the mean (average) of the squares, like this:
Finally, take the square root of the second mean:
Step-by-step explanation:
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