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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
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. | ||||||
At the .10 significance level, can she conclude that there is a difference in preference between the brands? | ||||||
Misa's Bison | Yak-et-ty-Yaks | Buffalo Yarns | ||||
799 | 776 | 799 | ||||
784 | 640 | 931 | ||||
873 | 822 | 794 | ||||
702 | 812 | 920 | ||||
795 | 673 | 731 | ||||
875 | 893 | 837 | ||||
Total | 4,828.00 | 4,616.00 | 5,012.00 | |||
What is the null hypothesis? | ||||||
What is the alternative hypothesis? | ||||||
What is the level of significance? | ||||||
Use Tools - Data Analysis - ANOVA:Single Factor | ||||||
to find the F statistic: |
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