What is the pooled standard deviation? What degrees of freedom are used in doing inferences for these
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Refer to the data with analysis shown in the following computer output:
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Level N Mean StDev 10.200 2.864 2.168 5 16.800 5 10.800 2.387 Source DF SS MS Groups 2 133.20 66.60 10.74 0.002 Error 12 74.40 6.20 Total 14 207.60
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Related Book For
Statistics Unlocking The Power Of Data
ISBN: 9780470601877
1st Edition
Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock
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