Consider the data with analysis shown in the following computer output: Level N Mean StDev A 4 10.600 3.198 B 5 16.800 2.168 C 6 10.800 2.387 Source DF SS MS F P Groups 2 123.32 61.66 9.49 0.003 Error 12 77.97 6.50     Total 14 201.29         What is the pooled standard deviation

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Consider the data with analysis shown in the following computer output:

Level N Mean StDev
A 4 10.600 3.198
B 5 16.800 2.168
C 6 10.800 2.387




Source DF SS MS F P
Groups 2 123.32 61.66 9.49 0.003
Error 12 77.97 6.50    
Total 14 201.29      

 

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 Enter your answer; The pooled standard deviation .

degrees of freedom = Enter your answer; degrees of freedom
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