Determine the mean, median, and mode for this group of repair order charges: $356.27, $300.34, $287.98, $56.25, and $56.25.

Fill in the blank(s) with the appropriate word(s).


Mean: $211.40; Median: $287.98; Mode: $56.25

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Freon 22 is used as a refrigerant in a vapor-compression refrigeration cycle in the frozen food section of your local supermarket. If the condenser operates at 320 K (saturated liquid leaves the condenser) and the boiler operates at 260 K (saturated vapor leaves the boiler), calculate:

A) The coefficient of performance, if the compressor has an 80% efficiency rating. B) The quality of the vapor/liquid mixture that leaves the expansion valve. C) The Carnot Cycle COP assuming that both reservoir temperatures are the same as the temperatures of the boiler and the condenser. D) Since no real process can ever match the assumptions of the Carnot engine, why is the Carnot engine useful?

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During judging, three cuts cannot exceed _____ points for a class of four animals.

a. 5 c. 15 b. 8 d. 20

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A 60-volt electric time clock circuit with several clocks connected in parallel has a 2-wire line voltage drop of 12.5 volts when the circuit is closed. Using Ohm's law, find the total resistance of the 2-wire line if a current of 10 amps exists. Carry the answer to two decimal places.

Fill in the blank(s) with the appropriate word(s).

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When drawing a concrete slab foundation layout, the size of the chimney should be drawn based on the measurements from the ____.

A. site plan B. foundation plan C. site map D. framing plan

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