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Subject:Statistics and Probability

Course:PAD5701

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.

Excel users: The data set is available in file named Paint. All data sets can be found on the premium online datasite.Click on the datafile logo to reference the data.

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 A=0.05 level of significance, test to see whether the mean drying time is the same for each type of paint.

Compute the values identified below (to 2 decimals, if necessary).

Sum of Squares, Treatment
Sum of Squares, Error
Mean Squares, Treatment
Mean Squares, Error

Calculate the value of the test statistic (to 2 decimals). _____

The P-value is _________

What is your conclusion? ____

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