A Sample Is Used to Obtain a 95% Confidence Interval

question 10

True/False

A sample is used to obtain a 95% confidence interval for the mean of a population.The confidence interval goes from 15 to 19.If the same sample had been used to test the null hypothesis that the mean of the population is equal to 20 versus the alternative hypothesis that the mean of the population differs from 20,the null hypothesis could be rejected at a level of significance of 0.05.

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Definitions:

Efficiency

The extent to which resources are utilized to their maximum potential, minimizing waste and maximizing output or outcomes.

Proportional Income Tax

A tax system where the tax rate remains constant regardless of the amount of income earned, meaning taxpayers pay the same percentage of their income in taxes.

Total Income

Total Income refers to the aggregate earnings of an individual or organization from all sources before any deductions are made.

Benefits-received Principle

The concept that individuals should pay taxes in proportion to the benefits they receive from government services.