Stastistic Question 4
Question Four
Kathambi and company Ltd has an identical toilet soap type, but in three different wrappings. This soap is displayed for sale in three city supermarkets for five months. Use ANOVA to investigate whether or not the soap sales for each of the wrapping are equal; at 95% confidence level, using the data tabulated below
WRAPPING | ||
ONE | TWO | THREE |
87 | 78 | 90 |
83 | 81 | 91 |
79 | 79 | 84 |
81 | 82 | 82 |
80 | 80 | 88 |
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