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Saeko owns a yarn shop and want to expands her color selection. Before she expands her...

Saeko owns a yarn shop and want to expands her color selection. Before she expands her colors, she wants to find out if her customers prefer one brand over another brand. Specifically, she is interested in three different types of bison yarn. She randomly selected 21 different days and recorded sales of each brand. 0.10 significance level, can she conclude that there is a difference in preference between brands?

Misa's Bison Yak-et-ty-Yaks Buffalo Yarns
799 776 799
784 640 931
807 822 794
675 856 920
795 616 731
875 893 837
Total       4,735.00                   4,603.00             5,012.00

What is the null hypothesis, alternative hyp, level of significance.

Use ANOVA single factor to find the F statistic

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milcah answered 8 months ago
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