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Mathematics, 03.03.2021 01:00 imsatyam9365
A study by a geological research team said that a new piece of
equipment designed for early earthquake detection is not effective
based on their recent study of 40 pieces of equipment they have
stationed near earthquake active zones with a = 0.05. However, the
manufacturer of the equipment claims this study was flawed and
their equipment is good. The research team is considering
rerunning the study with the intention of increasing the power of
this test. If the equipment really does detect earthquakes early,
which of the following would ensure an increase in the power of
the test?
(A) Move the equipment to three randomly chosen new locations.
(B) Change a = 0.05 to a = 0.02.
(C) Run a two-sided test instead of a one-sided test.
(D) Increase the sample size to 60 pieces of equipment being
tested.
(E) Decrease the sample size to 20 pieces of equipment being
tested.
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Answers: 3
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A study by a geological research team said that a new piece of
equipment designed for early earthqu...
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