Value of the score
A population of n=16 scores has a mean of µ= 20.After one score is removed from the population, the new mean is found to be µ=19. What is the value of the score that was removed?
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An ideal gas is in an initial state of 35 C, 150 kPa and 0.2 m3. It undergoes a quasi-static isothermal expansion until its pressure is 95 kPa.
Report the difference between the proportion of males and the proportion of females who agree. Report the difference between the proportion at the low education level and the proportion at the high education level who agree?
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A population of N=12scores has a mean of µ= 8.After one score is removed from the population, and the new mean is found to be 9. What is the value of the score that was removed?
In a photoelectric effect apparatus, light of wavelength 650 nm illuminates a metal surface. The resulting current is stopped completely when - 0.4 V is applied to the anode. What is the maximum kinetic energy of the electron if light of wavelength
In order to determine if installing an air quality system would be cost effective, an unairconditioned factory kept records on the reported high temperature readings and employee absenteeism.
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Accuracy was achieved by drying the teeth several times and recording the lowest mass once a constant weight was reached.
Only two teeth were used for each pH level, so natural differences between the teeth may have affected the average results.
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