Consider the data with analysis shown in the following computer output: Level N Mean StDev A 6 86.853 4.904 B 5 76.167 6.555 C 6 80.000 9.230 D 7 69.333 6.154 Source DF SS MS F P Groups 3 1037.89 345.96 7.32 0.002 Error 20 945.31 47.27 Total 23 1983.20 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 6 86.853 4.904 B 5 76.167 6.555 C 6 80.000 9.230 D 7 69.333 6.154 Source DF SS MS F P Groups 3 1037.89 345.96 7.32 0.002 Error 20 945.31 47.27 Total 23 1983.20 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 =
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Consider the data with analysis shown in the following computer output:
| Level | N | Mean | StDev |
|---|---|---|---|
| A | 6 | 86.853 | 4.904 |
| B | 5 | 76.167 | 6.555 |
| C | 6 | 80.000 | 9.230 |
| D | 7 | 69.333 | 6.154 |
| Source | DF | SS | MS | F | P |
|---|---|---|---|---|---|
| Groups | 3 | 1037.89 | 345.96 | 7.32 | 0.002 |
| Error | 20 | 945.31 | 47.27 | ||
| Total | 23 | 1983.20 |
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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