Question: A researcher wants to evaluate the difference between the average cost of different fruits from six grocery stores in the USA (Aldi, Target, Trader Joe's,
A researcher wants to evaluate the difference between the average cost of different fruits from six grocery stores in the USA (Aldi, Target, Trader Joe's, Walmart, Weis, and Whole foods). Complete the enclosed ANOVA table to help researchers determine if there is a difference between average costs. Round all final answers to 3 decimal places (except for degrees of freedom). This necessitates that all preceding intermediate calculations be rounded to 4 decimal places to avoid rounding errors.
Source of Variation | Degrees ofFreedom (DF) | Sum ofSquares (SS) | Mean Square (MS) | F-statistic |
BetweenGroups (Factor) | 5 | 35.957 | B | D |
Within Groups (Error) | A | 322.384 | C | |
Total | 261 | 358.341 |
- DF Within Groups (i.e. DF Error) = - =
- MS Between Groups (i.e. MS Factor) = / =
- MS Within Groups (i.e. MS Error) = / =
- F statistic = / =
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