Is there evidence for a difference in the population means of the four groups? Justify your answer
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Refer to the data with analysis shown in the following computer output:
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Level N Mean StDev A 86.833 5.231 76.167 6.555 80.000 9.230 D 69.333 6.154 Source DF Groups SS MS 3 962.8 320.9 6.64 0.003 Error 20 967.0 48.3 Total 23 1929.8
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Yes the pvalue 0003 is very s...View the full answer
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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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