Find the change in the diffraction angle
A 3.81-kHz tone is being produced by a speaker with a diameter of 0.217 m. The air temperature changes from 0 to 29.8 oC. Assuming air to be an ideal gas, find the change in the diffraction angle .
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Find the critical value from Table L for the rank correlation coefficient, given sample size n=12 and alpha=0.02
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