A Variable Contains Four Categories $\alpha$ = 05, the Appropriate Decision Is ___

question 72

Multiple Choice

A variable contains four categories.It is expected that data are uniformly distributed across these four categories.To test this, a sample of observed data is gathered on this variable resulting in frequencies of 22, 35, 32, and 21.Using $\alpha$ = .05, the appropriate decision is ___.

• A)do not reject the null hypothesis that the observed distribution is uniform
• B)do not reject the null hypothesis that the observed distribution is not uniform
• C)reject the null hypothesis that the observed distribution is uniform
• D)reject the null hypothesis that the observed distribution is not uniform
• E)do nothing

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Definitions:

Saturated Solution

A solution containing the maximum concentration of a solute dissolved in a solvent at a given temperature and pressure.

Molarity

A measure of concentration expressing the number of moles of a solute per liter of solution.

Diluting

The process of reducing the concentration of a solute in a solution, usually by adding more solvent.

Molarity

An indicator of solute density within a solution, measured in moles per liter of the solution.