If it is found that 10 randomly selected pickup truck owners ...

[meagbuch]

  If it is found that 10 randomly selected pickup truck owners get 17 mpg on average, what is the value for when computing a 95 confidence for the population mean?
 

  a.2.26
  b.1.83
  c.3.25
  d.2.23

Question 2

  If a random sample of size n is taken from any distribution with a mean of , then which of the following is an unbiased estimator of ?
 

  a.the sample mean
  b.the median
  c.
  d.the average of the two extreme observations

[maya.nigrin17@yahoo.com]

Answer to Question 1

correct: d

Answer to Question 2

correct: a

[meagbuch]

Gracias!

[upturnedfurball]

Thanks for the timely response, appreciate it