One-way ANOVA: Sodium versus Shelf Source DF Shelf 2 Error 74 524489 708B Total

Question

One-way ANOVA: Sodium versus Shelf Source DF Shelf 2 Error 74 524489 708B Total 76 534117 MS 9628 4814 0.68 0.510 S-84.19 R-Sq 1.80% R-Sq (adj) -0.00% - Individual 95% CIs For Mean Based on Pooled StDev LevelNMea StDev 20 176.25 105.27 21 145.71 80.50 *-) 36 158.61 72.57 120 150 180 210 Pooled StDev 84.19 Grouping Information Using Tukey Method Shelf N Mean Grouping 20 176.25 A 36 158.61 A 21 145.71 A Means that do not share a letter are significantly different Tukey 958 Simultaneous Confidence Intervals All Pairwise Comparisons among Levels of Shelf

Explanation / Answer

The test statistic is 0.68 and p-value=0.510

pooled standard deviation=84.19

p-value=0.510>0.05,with 95% confidence,we believe that all three shelves have the same mean sodium content.

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