Sketch a histogram for which
a. the mean is greater than the median.
b. the mean is less than the median.
c. the mean is approximately equal to the median.
(a) The histogram should be skewed to the right. Here is an example.
(b) The histogram should be skewed to the left. Here is an example.
(c) The histogram should be approximately symmetric. Here is an example.
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What type of pressure control can be used for rooftop air-cooled condensers?
What will be an ideal response?
Why are the 90 percent condensing furnaces unique?
A) The flue gas affects the venting material at a greater-than-normal rate. B) The venting of this type of furnace is made of PVC and is easy to seal airtight. C) The flue gas is excessively hot and can cause fires if improperly used. D) The venting material is rare, as it is no longer manufactured due to defects.
What type of load tends to push material together?
A. compression B. tensile C. shear D. stress
Technician A states fuel tank sending units can be tested installed using a scan tool. Technician B states sending units can be tested removed using a DMM to test sending unit resistance.
A. Technician A only. B. Technician B only. C. Both A and B. D. Neither A nor B.