Anal - % 00 HE = A C D E G H 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 yam. As an experiment, she randomly selected 21 different days and recorded the sales of each brand. 6 At the . 10 significance level, can she conclude that there is a difference in preference between the brands? 8 Misa's Bison Yak et-ty-Yaks Buffalo Yarns 9 799 776 799 10 784 640 931 11 873 822 794 12 702 812 920 13 795 673 731 14 875 893 837 15 Tota 4,828.00 4,616.00 5,012.00 16 17 6 ) What is the null hypothesis? 18 What is the alternative hypothesis? 19 20 What is the level of significance? 21 22 Use Tools - Data Analysis - ANOVA:Single Factor 23 to find the F statistic: 24 26 27 28 29 30 31 32 33 HW11 Chi Square ANOVA Regression Cleaning Data with Outlier Sheet 3 of 5 PageStyle_ANOVA English (USA) Type here to search O NO esc 15 X S % & 7A C D F G H 35 36 37 38 39 40 41 8 ) From the ANOVA output: What is the F value? 42 43 What is the F critical value? 44 45 9 ) What is your decision? 46 Explain in statistical terms 47 48 49 50 51 52 1 4 PM + HW11 Chi Square ANOVA Regression Cleaning Data with Outlier Sheet 3 of 5 PageStyle_ANOVA English (USA) Type here to search O esc 12 K 13 14 15 K 7 8 A & 8 2