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Suppose instead the data from problem 1 and 4 were taken on the same process, thus the data are no longer independent. You may use only the rst 6 observations in the second collection of data, the two sets of data are written here for clarity. What is the value of the test statistic with = 0:05 assuming the process means are the same?

1 2 3

4 5 10

1 1 1

1 2 0

a. 2.1881

b. 1.4241

c. 3.9531

d. 1.4142

e. The correct answer is not listed here

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Statistics and Probability, Statistics

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