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# Statistical - Essay Example

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## Extract of sampleStatistical

The value of the correlation coefficient is -0.99, which represents a very strong negative correlation. Thus, it is concluded that there is a very strong linear association between the given data sets.
This answer is different from that in (c) because of the different value of σ used. In (c), the new σ is derived by adding up any 4 randomly selected books from the entire bookshop, whereas in (d), the new σ is simply four times the original σ, since 4 copies of the same paperback will typically be having the same ...Show more

## Summary

Thus, it is concluded that there is a perfect linear association between the given data sets.
The linear regression line lies close to most…
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