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. As an experiment, she randomly selected 21 different days and recorded the sales of each brand. As an experiment, she randomly selected 21 different days and recorded the sales of each brand.

	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?

What is the alternative hypothesis?

What is the level of significance?