Question: 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.
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.
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Paint 1 Paint 2 Paint ] Paint 4 127 143 173 15 1 BET 134 14 4 142 135 141 135 134 125 145 135 141 135 137 131 152 At the a = 0. 05 level of significance , test to SEE whether the mean drying time is the same for each type of paint . State the null and alternative hypotheses . O HO: My # H] F H` FH^` * * = EN = EN = FM : H *# # = EN = CH = FN : ^H ` H_ : Not all the population means are equal . @ Ho: At least two of the population means are equal . H_ : At least two of the population means are different . `` HO : My = $2 = #` = HA @ Ho : Not all the population means are equal . * N = EN = EN = THE H Find the value of the test statistic . ( Round Your answer to two decimal places . ) 3. 23 837 2 Find the -value . ( Round Your answer to four decimal places . ] D - Value =\\0. 1201.5B
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