Consider the data with analysis shown in the following computer output: Level N Mean StDev A 7

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Consider the data with analysis shown in the following computer output:

Level N Mean StDev A 7 87.411 4.842 B 5 76.167 6.555 C 5 80.000 9.230 D 7 69.333 6.154

Source DF SS MS F P Groups 3 118 1.08 393.69 8.94 0.001 Error 20 880.54 44.03 Total 23 2061.62 What is the pooled standard deviation? What degrees of freedom are used in doing inferences for these means and differences in means?

Round your answer for the pooled standard deviation to two decimal places.

The pooled standard deviation is = degrees of freedom =

Posted Date: Jun 11, 2024 11:11 AM

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Consider the data with analysis shown in the following computer output: Level N Mean StDev A 7

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