Mathematics, 27.09.2020 08:01, whitwelllife

Sara is researching phones and decides to create a weighted average to determine the ‘best’. She uses the following weights: 50% battery life, 30% cost, 20% camera to calculate a ‘score’ for each phone. She finds the following ratings out of 10 for each category on the internet. Battery Cost Camera
iPhone 9 7 8
Samsung 9 7 7
Motorola 8 9 8

Calculate the weighted average ‘score’ for each phone.
Iphone, samsung, motorola

(round to the tenths place)

Answers: 1

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Sara is researching phones and decides to create a weighted average to determine the ‘best’. She use...