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# Hypothesis Testing

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From Bill's writing, we know that his average sentence length was 10.4
A paper has 59 sentences with an average length of 8.9, with a SD of 2.7. Test whether this paper was written by Bill.

##### Solution Summary

From Bill's writing, we know that his average sentence length was 10.4
A paper has 59 sentences with an average length of 8.9, with a SD of 2.7. Test whether this paper was written by Bill.

##### Solution Preview

The Mean is M=10.4
N=59
X=8.9
SD=2.7

Ho: X=M
Ha: X isn't equal to ...

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