Question

In: Statistics and Probability

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.
As an experiment, she randomly selected 21 different days and recorded the sales of each brand.
At the .01 significance level, can she conclude that there is a difference in preference between the brands?
Misa's Bison Yak-et-ty-Yaks Buffalo Yarns
343 365 360
308 368 346
349 351 381
304 339 306
348 366 314
346 331 307
Total       1,998.00                   2,120.00     2,014.00
5) What is the null hypothesis?
What is the alternative hypothesis?
What is the level of significance?
6) Use Tools - Data Analysis - ANOVA:Single Factor
to find the F statistic:

Solutions

Expert Solution


orchestra answered 1 year ago
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