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

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Questions 1 & 2: 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. Questions 4 & 5 : 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.
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