One Way ANOVA Problem Solved | VTU BCS301 Q.10(b) | Brand Preference Analysis

Описание: 📘 BCS301 – Mathematics III | Module 5 (ANOVA & DOE)

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🎓 BCS301 – Mathematics III (for Computer Science)
📘 Question Paper: VTU Dec. 2024/Jan. 2025
📌Module-5: Design of Experiments & ANOVA
📝 Question No.: 10(b)
📝 Topic: One Way ANOVA


📖 Problem Statement
📌 Exact Question (As Given in Exam)
There are three main brands of a certain powder. A set of its 120 sales is examined
and found to be allocated among four groups (A, B, C, D) and brands (I, II, III)
as follows:

Groups
Brands A B C D
I 0 4 8 15
II 5 8 13 6
III 18 19 11 13

Is there any significant difference in brands preference?
Answer at 5% level of significance, using one-way ANOVA.
Take 10 as the code value and subtract it from all the given values.

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