Standard error of the mean
For a population with a mean equal to 100 and a standard deviation equal to 25, calculate the standard error of the mean for the following sample sizes.
A. 10
B. 40
C. 70
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Calculate the inside temperature when the outer surface is maintained at 20oC. The thermal conductivity of the insulation is 0.043 W/m K and 0.2 W/m K for the liner.
Calculate the mean for this population. Calculate the sampling error using the first four games in the first row as your sample. Calculate the sampling error using all eight games in the first row.
Find a transfer function between armature voltage and displacement of the diaphragm. What is the order of this system?
The inside of the pipe carries hot water at 50 oC and outer surface of pipe is at 10 oC. Calculate the heat loss per meter length and the temperature between the two materials.
Determine the final temperature and the work done during this process, assuming constant specific heat Variable specific heat.
An electric heater inside the cylinder is now turned on and 2200 KJ of energy is transferred to the stream. Determine the entropy change of the water during this process.
The second stream of air has 2 kg/s of air (state 2) entering at (600K, 1 bar). The two streams mix, and leave at state 3. If the temperature at state 3 is 402K, find the heat gain or heat loss.
The probability is (less or greater) then 0.05 which means the result ( does not support or supports) the findings of the study?
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