What statistical tool should be used when you want to compare 4 refrigerators to know if there is a significant differences among them in terms of: 1. Energy efficiency factor (EEF) = volume cooled (L) / energy consumption (kWh/24h) 2. Energy consumption (kWh/24h) 3. Rated power input (W) 4. Price ($) Example data: EEF Energy consumtion (kWh/24h) Rated power input (HP) Price Ref 1 254 1.00 0.0952 20,239.56 Ref 2 431 0.51 0.0738 17,495.00 Ref 3 260 1.09 0.1408 18,700.00 Ref 4 260 1.17 0.1408 22,100.00

What statistical tool should be used when you want to compare 4 refrigerators to know if there is a significant differences among them in terms of: 1. Energy efficiency factor (EEF) = volume cooled (L) / energy consumption (kWh/24h) 2. Energy consumption (kWh/24h) 3. Rated power input (W) 4. Price ($) Example data: EEF Energy consumtion (kWh/24h) Rated power input (HP) Price Ref 1 254 1.00 0.0952 20,239.56 Ref 2 431 0.51 0.0738 17,495.00 Ref 3 260 1.09 0.1408 18,700.00 Ref 4 260 1.17 0.1408 22,100.00

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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	EEF	Energy consumtion (kWh/24h)	Rated power input (HP)	Price
Ref 1	254	1.00	0.0952	20,239.56
Ref 2	431	0.51	0.0738	17,495.00
Ref 3	260	1.09	0.1408	18,700.00
Ref 4	260	1.17	0.1408	22,100.00