Let y represent the annual income of an individual in 2018. Let z represent the number of days the individual worked in 2018. Let x represent the number of days the individual spent snow skiing in 2018. Let w represent the number of days the individual did not work in 2018. Which of the following models violate A3 (MLR.3)? O y = Bo + Biæ + By tu Oy= Bo + B₁x+B₂z+u O y = Bo + Bru +B22 tu All of the above

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