Estimated standard error
A sample with the mean of M = 40 and variance of s2 = 20 has an estimated standard error of 2 points. How many scores are in the sample?
a. 4
b. 5
c. 10
d. 25
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Determine the partial pressures of O2, N2, and CO2 in atm. (At constant temperature and pressure, the volume of a gas is directly proportional to the number of moles of the gas.)
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