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The average retirement age for a certain country was reported to be 57.1 years a

ID: 3324375 • Letter: T

Question


The average retirement age for a certain country was reported to be 57.1 years according to an international group dedicated to promoting trade and economic growth. With the pension syste operating with a deficit, a bill was introduced by the government during the summer to raise the minimum retirement age from 60 to 62. Suppose a survey of 49 retiring citizens is taken to investigate whetherte new bill has raised the average age at which people actually retire. Assume the standard deviation of the retirement age is 5 years using 005, answer parts a through c below. a. Explain how Type I and Type Il errors can occur in this hypothesis test. A Type l error can occur when the researcher concludes the average retirement age but the average retirement age | A Type II error can occur when the researcher concludes that the average retirement age when, in fact, the average retirement age

Explanation / Answer

a) type I error can occur when the researcher concludes the average retirement age is greater than 57.1 years but the average reirement age is 57.1 years or less.

A type I error can occur when the researcher concludes the average retirement age is 57.1 years when in fact the average retirement age is greater than 57.1 years

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