In: Statistics and Probability
Consider the following.
n = 8
measurements: 4, 3, 7, 8, 5, 6, 4, 6
Calculate the sample variance, s2, using the definition formula. (Round your answer to four decimal places.)
s2 =
Calculate the sample variance, s2 using the computing formula. (Round your answer to four decimal places.)
s2 =
Find the sample standard deviation, s. (Round your answer to three decimal places.)
s =



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| 4 | -1.375 | 1.890625 | 
| 3 | -2.375 | 5.640625 | 
| 7 | 1.625 | 2.640625 | 
| 8 | 2.625 | 6.890625 | 
| 5 | -0.375 | 0.140625 | 
| 6 | 0.625 | 0.390625 | 
| 4 | -1.375 | 1.890625 | 
| 6 | 0.625 | 0.390625 | 
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| 4 | 16 | 
| 3 | 9 | 
| 7 | 49 | 
| 8 | 64 | 
| 5 | 25 | 
| 6 | 36 | 
| 4 | 16 | 
| 6 | 36 | 
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