Examlex
In ammonium chloride salt (NH4Cl) ,the anion is a single chloride ion, (Cl¯) .What is the cation of NH4Cl salt?
Critical Values
Specific points on the scale of a statistical distribution that are compared with test statistics to determine whether to reject the null hypothesis.
Upper
Often pertaining to the higher part or section of something; or can refer to a level or boundary that is more than what is typical or usual.
Population Standard Deviation
A measure of the spread of all values in a population, indicating how much the values differ from the mean of the population.
Sample
A subset of a population used for statistical analysis, selected for the purpose of making generalizations about the total population.
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