stat test 1 spring 04

# stat test 1 spring 04 - Page 1 11 Pts Page 2 15 Pts Page 3...

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Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Total 11 Pts 15 Pts 16 Pts 20 Pts 17 Pts 13 Pts 8 Pts 100 Pts MATH 147 TEST ONE Spring 2004 February 11, 2004 Name: Section: (1 point) DIRECTIONS: Show all work. Solutions with no work will receive NO credit. Neatness counts. All necessary tables are provided at the end of the test. Carry out all your calculations to at least two digits to the right of the decimal point. Part I True/False For questions 1 - 3 circle T for true and F for false. (2 points each) 1. T F The NFIP experiment on the effectiveness of the Salk polio vaccine is an example of a randomized controlled experiment. 2. T F In a series of measurements, bias varies from observation to observation. 3. T F In the U.S. in 1990, there were 2.1 million deaths from all causes, compared to 1.7 million in 1960 - nearly a 25% increase. The data show that the public’s health got worse over the period 1960-1990.

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