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.

No one has answered this question yet.

Answer this Question

Related Questions

computers - which set of terms below correctly pairs a generation of computers ...
12th grade Social Science - Can anyone help me with these questions? How was the...
eng - how would i deal with this? Each generation has some thing valuable to ...
statistics - According to the Smart magazine, 70% of smokers started smoking ...
biology phenotypes - If the parents are PPLLXppll, then the F1 generation is ...
physics - I'm supposed to design a PV system that could provide an average ...
science, biology - garden squash plants produce white or yelloe squash. White ...
AP Biology - My F1 generation gave me 30 males (5 were mutated) and 10 females ...
biology - what word means "generation to generation change in the ...
Biology - Scientists observe a newly established population of sexually ...

For Further Reading

First Name:
School Subject:
Answer: