Question
The accompanying data table lists measured amounts of chest compression (mm) from car crash tests. Also shown are the SPSS results from analysis of variance.
The accompanying data table lists measured amounts of chest compression (mm) from car crash tests. Also shown are the SPSS results from analysis of variance. Assume that we plan to use a 0.05 significance level to test the claim that the different car sizes have the same mean amount of chest compression.
Click here to view the table of chest deceleration measurements.
Small Midsize Large SUV 29 32 27 24 31 28 32 31 35 26 39 31 33 23 27 25 26 25 31 30 32 26 26 39 21 19 34 22 26 29 30 33 25 26 34 34 34 20 26 35 26 22 24 29 34 22 31 26.
Click here to view the table of analysis of variance results.
ANOVA | |||||
---|---|---|---|---|---|
CHEST | |||||
Sum of Squares | df | Mean Square | F | Sig. | |
Between Groups | 223.750 | 3 | 74.583 | 3.815 | .016 |
Within Groups | 860.167 | 44 | 19.549 | ||
Total | 1083.917 | 47 |
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Part 1
What is the value of the test statistic?
The test statistic is
enter your response here.
(Round to two decimal places as needed.)
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