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Test Hypotheses about a Population Proportion
-Listed below are the April utility bills (in dollars) for one neighborhood. Assuming that the data is normally distributed, test the claim that the standard deviation for the data is . Use .
Expected Frequencies
The anticipated count of occurrences in each category of a variable, calculated based on a theoretical distribution in the context of hypothesis testing.
Null Hypothesis
A default hypothesis that there is no effect or no difference, and any observed variation is due to chance.
Null Hypothesis
A hypothesis that there is no significant difference or effect, used as a starting assumption in statistical testing.
Number of Groups
Refers to the total distinct categories or assemblies into which data or subjects are sorted for analysis in a study.
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