Paint 1 716 705 705 706 693 712 710 696 695 701 Paint 2 697 699 684 699 703 709 702 702 698 703 Paint 3 700 707 711 702 692 696 703 707 699 693 Paint 4 710 693 690 703 708 695 703 701 695 704 Paint 5 691 702 691 714 699 696 715 697 698 699 Five different paints are marketed as having the same drying time. To verify the manufacturer's claim, the dry times of paints were measured in seconds and recorded in DATA. Test the claim that the drying times are equal at alpha = 0.05.
Added by Santiago J.
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- Null hypothesis (H0): The drying times of all five paints are equal. - Alternative hypothesis (Ha): At least one of the drying times is different. Show more…
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2. Four different paints are advertised as having the same drying time. To check the manufacturer's claims, five samples were tested for each of the paints. 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.
Sheryl E.
Four different paints are advertised as having the same drying time. To check the manufacturer's claims, five samples were tested for each of the paints. The time in minutes until the paint was dry enough for a second coat to be applied was recorded. The following data were obtained. At the $\alpha=.05$ level of significance, test to see whether the mean drying time is the same for each type of paint.
Umar Sohail Q.
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