Answered: expensive). The toy was priced the same…

Name: A consumer group wanted to determine if there was a difference in cust
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Description: A consumer group wanted to determine if there was a difference in customer perceptions about prices for a specific type of toy depending on where the toy was purchased. In the local area there are three main retailers: W-Mart, Tag, and URToy. For e

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A consumer group wanted to determine if there was a difference in customer perceptions about prices for a specific type of toy depending on where the toy was purchased. In the local area there are three main retailers: W-Mart, Tag, and URToy. For each retailer, the consumer group randomly selected 5 customers, and asked them to rate how expensive they thought the toy was on a 1-to-10 scale (1= not expensive, to 10 = very expensive). The toy was priced the same at all retail stores.

Compute the percentage of variance explained by the group differences for these data. Q: Percentage and variance explained = ?

The data collected is reported in the table below.
W-Mart
Tag
URTOY
18
15
14
4
2
10
6
1
3
5
5
4
Mw = 9
MT = 4.6
Mu = 3.2
|SSw = 2
SST = 5.2
|SSU = 10.8
CO
LO

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