Practicetest 1 - Questions 1 2 The Centers for Disease...

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The Centers for Disease Control lists causes of death in the United States during 1999. Cause of death Percent Heart disease 30.3 Cancer 23.0 Circulatory diseases and strokes 8.4 Respiratory diseases 7.9 Accidents 4.1 1. What percent of deaths were from causes not listed? a. 73.7 % b. 17 % c. 83 % d. 26.3 % e. 100 % 2. a. The variable Cause of death is a quantitative variable. b. The variable Percent is a categorical variable c. The variable Cause of death is a categorical variable. d. Both Cause of death and Percent are categorical variables. e. Both Cause of death and Percent are quantitative variables. : According to an article in Fortune (Dec.28, 1992), 401(k) plans permit employees to shift part of their before-tax salaries into investments such as mutual funds. Employees typically match 50 % of the employees’ contribution up to about 6 % of salary. One employee concerned with what it believed was a lower employee participation rate in its 401(k) plan, sampled 30 other companies with similar plans and asked for their 401(k) participation rates. 4. What is the sample? a. The 30 companies with similar plans. b. All 401(k) plans. c. The 50 % of the employees’ contribution. d. The 401(k) participation rates. e. The percent of before-tax salaries that is invested. 5. What is the variable of interest? a. The 30 companies with similar plans. b. All 401(k) plans. c. The 50 % of the employees’ contribution. d. The 401(k) participation rates. e. The percent of before-tax salaries that is invested. 6.
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This note was uploaded on 03/15/2009 for the course MATH 201 taught by Professor Crissinger during the Spring '08 term at University of Delaware.

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Practicetest 1 - Questions 1 2 The Centers for Disease...

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