Consider the data with analysis shown in the following computer output: Level N Mean StDev A 5 87.992 4.905 B 5 76.167 6.555 C 7 80.000 9.230 D 7 69.333 6.154 Source DF SS MS F P Groups 3 1077.54 359.18 7.14 0.002 Error 20 1006.50 50.33 Total 23 2084.04 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=
Consider the data with analysis shown in the following computer output: Level N Mean StDev A 5 87.992 4.905 B 5 76.167 6.555 C 7 80.000 9.230 D 7 69.333 6.154 Source DF SS MS F P Groups 3 1077.54 359.18 7.14 0.002 Error 20 1006.50 50.33 Total 23 2084.04 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=
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Chapter 8, Section 2, Exercise 047
Consider the data with analysis shown in the following computer output:
| Level | N | Mean | StDev |
| A | 5 | 87.992 | 4.905 |
| B | 5 | 76.167 | 6.555 |
| C | 7 | 80.000 | 9.230 |
| D | 7 | 69.333 | 6.154 |
| Source | DF | SS | MS | F | P |
| Groups | 3 | 1077.54 | 359.18 | 7.14 | 0.002 |
| Error | 20 | 1006.50 | 50.33 | ||
| Total | 23 | 2084.04 |
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=
Round your answer for the pooled standard deviation to two decimal places.
The pooled standard deviation is=
degrees of freedom=
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