=+e) To check for significant differences between the shelf means, we can use a Bonferroni test, whose results are shown at the top of the

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=+e) To check for significant differences between the shelf means, we can use a Bonferroni test, whose results are shown at the top of the next column. For each pair of shelves, the difference is shown along with its standard error and significance level. What does it say about the questions in part d?

Dependent Variable: SUGARS Bonferroni

(I)

SHELF

(J)

SHELF Mean Difference

(I-J)

Std.

Error Pvalue 95%

Confidence Interval Lower Bound Upper Bound 1 2 -4.819 1.2857 0.001 -7.969 -1.670 3 -1.728 1.1476 0.409 -4.539 1.084 2 1 4.819 1.2857 0.001 1.670 7.969 3 3.091 1.1299 0.023 0.323 5.859 3 1 1.728 1.1476 0.409 -1.084 4.539 2 -3.091 1.1299 0.023 -5.859 -0.323