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Paint-Drying Robots. How long it takes paint to dry can have an impact on the production...

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Basic Math

Paint-Drying Robots. How long it takes paint to dry can have animpact on the production capacity of a business. In May 2018,Deal’s Auto Body & Paint in Prescott, Arizona, invested in apaint­drying robot to speed up its process (The Daily Courierwebsite, https://www.dcourier.com/photos/2018/may/26/984960336/).An interesting question is, “Do all paint­drying robots have thesame drying time?” To test this, sup­ pose we sample five dryingtimes for each of different brands of paint­drying robots. The timein minutes until the paint was dry enough for a second coat to beapplied was recorded. The following data were obtained.
Robot 1: 128 137 135 124 141

Robot 2: 144 133 142 146 130
Robot 3 : 133 143 137 136 131
Robot 4: 150 142 135 140 153


At the a = .05 level of significance, test to see whether the meandrying time is the same for each brand of robot

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Using Minitab software Stat ANOVA One way we getthe    See Answer
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