he Coca-Cola Company introduced New Coke in 1985. Within three months of this introduction, negative consumer reaction forced Coca-Cola to reintroduce the original formula of Coke as Coca-Cola Classic. Suppose that two years later, in 1987, a marketing research firm in Chicago compared the sales of Coca-Cola Classic, New Coke, and Pepsi in public building vending machines. To do this, the marketing research firm randomly selected 10 public buildings in Chicago having both a Coke machine (selling Coke Classic and New Coke) and a Pepsi machine. The Coca-Cola Data and a MINITAB Output of a Randomized Block ANOVA of the Data: Building 1 2 3 4 5 6 7 8 9 10 Coke Classic 46 133 123 41 152 35 62 217 122 86 New Coke 4 114 64 15 48 10 39 146 53 143 Pepsi 27 82 110 36 52 43 62 130 71 98 Two-way ANOVA: Cans versus Drink, Building Source DF SS MS F P Drink 2 8,147.4 4,073.70 5.68 .012 Building 9 53,434.8 5,937.20 8.28 .000 Error 18 12,914.6 717.48 Total 29 74,496.8 Descriptive Statistics: Cans Variable Drink Mean Cans Coke Classic 101.7 New Coke 63.6 Pepsi 71.1 (a-1) Calculate the value of the test statistic and p-value. (Round "test statistic" value to 2 decimal places and "p-value" to 3 decimal places.) (a-2) At the 0.05 significance level, what is the conclusion? multiple choice Reject H0 Do not reject H0

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter2: Systems Of Linear Equations

Section2.4: Applications

Problem 28EQ

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he Coca-Cola Company introduced New Coke in 1985. Within three months of this introduction, negative consumer reaction forced Coca-Cola to reintroduce the original formula of Coke as Coca-Cola Classic. Suppose that two years later, in 1987, a marketing research firm in Chicago compared the sales of Coca-Cola Classic, New Coke, and Pepsi in public building vending machines. To do this, the marketing research firm randomly selected 10 public buildings in Chicago having both a Coke machine (selling Coke Classic and New Coke) and a Pepsi machine.

The Coca-Cola Data and a MINITAB Output of a Randomized Block ANOVA of the Data:

Building
	1	2	3	4	5	6	7	8	9	10
Coke Classic	46	133	123	41	152	35	62	217	122	86
New Coke	4	114	64	15	48	10	39	146	53	143
Pepsi	27	82	110	36	52	43	62	130	71	98

Two-way ANOVA: Cans versus Drink, Building

Source	DF	SS	MS	F	P
Drink	2	8,147.4	4,073.70	5.68	.012
Building	9	53,434.8	5,937.20	8.28	.000
Error	18	12,914.6	717.48
Total	29	74,496.8

Descriptive Statistics: Cans
Variable	Drink	Mean
Cans	Coke Classic	101.7
	New Coke	63.6
	Pepsi	71.1

(a-1) Calculate the value of the test statistic and p-value. (Round "test statistic" value to 2 decimal places and "p-value" to 3 decimal places.)

(a-2) At the 0.05 significance level, what is the conclusion?

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