Q No.5) Four different paints are advertised as having the same drying time. To check the manufacturer's claim, five samples of each paint were tested. The time in minutes until the paint was dry enough for a second coat to be applied was recorded. The following data were obtained. Paint 1 Paint 2 Paint 3 Paint 4 128 144 133 150 137 133 143 142 135 142 137 135 124 146 136 140 141 130 131 153 At the 0.05 level of significance, test to see whether the mean drying time is the same for each type of paint.

Q No.5) Four different paints are advertised as having the same drying time. To check the manufacturer's claim, five samples of each paint were tested. The time in minutes until the paint was dry enough for a second coat to be applied was recorded. The following data were obtained. Paint 1 Paint 2 Paint 3 Paint 4 128 144 133 150 137 133 143 142 135 142 137 135 124 146 136 140 141 130 131 153 At the 0.05 level of significance, test to see whether the mean drying time is the same for each type of paint.

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter29: Tolerance, Clearance, And Interference

Section: Chapter Questions

Problem 16A: Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector...

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