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A scientists conducted a study to compare the efficiency of two computational algorithms that are both developed to solve a complicated optimization procedure. Using the
A scientists conducted a study to compare the efficiency of two computational
algorithms that are both developed to solve a complicated optimization procedure. Using
the same initial and stopping setup, these two algorithms were implemented as two different
scripts. To yield fair comparison, both scripts are run on each of the six machines and a
system reboot between the submissions of the two scripts was enforced. The runtimes in
seconds are recorded as follows:
Machine A B
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It is safe to assume that the differences in runtime between the two algorithms is approximately normal distributed. The scientist wishes to use this study to test whether the
algorithm B is in fact faster than algorithm A
a points State the appropriate setup for the null and alternative hypothesis in terms
of a and b the mean runtime for algorithm A and B respectively.
b points Find the value of test statistics. all the details including intermediate steps
are expected
c points Find the pvalue for the test using the chart to find the range of pvalue
d points At the level of significance, can you conclude that algorithm B is faster
than algorithm A
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