Examlex
Calculate the pH of a 0.18 M solution of KNO2. (Ka (HNO2) = 4.5 x 10-4)
Pooled Variance Estimate
An estimate of variance that combines the variances from two or more samples, assuming that the variances from the different populations are the same.
Population Variances
refer to the measure of the dispersion of data points in a population.
Variance
A measure of the dispersion or spread of a set of data points, quantifying the distance of each point from the mean.
Sampling Distribution
describes the distribution of a statistic over many samples drawn from the same population.
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