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Name: There appears to be some evidence suggesting that earlier retirement m
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Description: There appears to be some evidence suggesting that earlier retirement may lead to memory decline (Rohwedder & Willis, 2010). The researchers gave a memory test to men and women aged 60-64 in several countries that have different retirement ages. For

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

6th Edition

ISBN:9781337111348

Author:Bruce Crauder, Benny Evans, Alan Noell

Publisher:Bruce Crauder, Benny Evans, Alan Noell

Chapter5: A Survey Of Other Common Functions

Section5.3: Modeling Data With Power Functions

Problem 6E: Urban Travel Times Population of cities and driving times are related, as shown in the accompanying...

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There appears to be some evidence suggesting that earlier retirement may lead to memory decline (Rohwedder & Willis, 2010). The researchers gave a memory test to men and women aged 60-64 in several countries that have different retirement ages. For each country, the researchers recorded the average memory score and the percentage of individuals in the 60-64 age range who were retired. Note that a higher percentage retired indicates a younger retirement age for that country. The following data are similar to the results from the study.

For this problem, complete the following steps:

(1) Identify the two hypotheses

(2) Determine the critical region for your decision (use a=0.05)

(3) Compute the test statistic

(4) Use the test statistic to make a decision and interpret that decision

Country	% Retired (x)	Memory Score (y)
Sweden	39	9.3
U.S.A.	48	10.9
England	59	10.7
Germany	70	9.1
Spain	74	6.4
Netherlands	78	9.1
Italy	81	7.2
France	87	7.9
Belgium	88	8.5
Austria	91	9.0

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