Saturday
April 18, 2015

Homework Help: statistics

Posted by ed on Tuesday, March 20, 2012 at 1:58pm.

from generation to generation, the average age when smokers first start to smoke caties. however, the standatd deviation of that age remains constant of around 2.1 years. a survey of 40 smokers of this generation was done to see if the average starting age is at least 19. the sample average was 18.1 with a samole standatd deviation of 1.3.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

social statistics - a smoking researcher is interested in estimating the average...
statistics - The 2003 Statistical Abstract of the United States reported the ...
Statistics (46) - The 2003 Statistical Abstract of the United States reported ...
statistics - According to the Smart magazine, 70% of smokers started smoking ...
Economics (45) - The 2003 Statistical Abstract of the United States reported the...
statistics - At a local college, 81 of the male students are smokers and 729 are...
math/Do not understand - At a local college,153 of the male students are smokers...
Statistics - The author’s of the article “Perceived risks of Heart Disease and ...
12th grade Social Science - Can anyone help me with these questions? How was the...
statistics - First graders who misbehave in school may be more likely to be ...

Members