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Becky owns a diner and is concerned about sustaining the business.She wants to ascertain if the standard deviation of the profits for each week is greater than $250.The details of the profits for the week are (in dollars) 1,743 1,438 1,212 1,705 1,985 1,857 1,916
Assume that profits are normally distributed.Using the critical value approach at α = 0.05,which of the following is the correct conclusion for Becky's concern?
EKG
An abbreviation for electrocardiogram, a test that measures the electrical activity of the heart to detect and diagnose various heart conditions.
Positron Emission Tomography
A nuclear medicine functional imaging technique used to observe metabolic processes in the body.
Computerised Tomography
A diagnostic imaging technique that uses computer-processed combinations of multiple X-ray measurements taken from different angles to produce cross-sectional images of specific areas of a scanned object.
Magnetic Resonance Imaging
A non-invasive imaging technology that produces detailed images of the body’s internal structures using a large magnet, radio waves, and a computer.
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