SOLUTION: I missed this questions even after checking my notes. Can someone help me please. This is what I have done: All batteries is population, 150 batteries tested is the parameter, i

Algebra ->  Probability-and-statistics -> SOLUTION: I missed this questions even after checking my notes. Can someone help me please. This is what I have done: All batteries is population, 150 batteries tested is the parameter, i      Log On


   



Question 197284: I missed this questions even after checking my notes. Can someone help me please. This is what I have done: All batteries is population, 150 batteries tested is the parameter, is the 250 avg life hours the statistic or the variable?

A company has developed a new battery, but the average lifetime is unknown. In order to estimate the average, a sample of 150 batteries is tested and the average lifetime of this sample is found to be 250 hours. The 250 hours is the value of a:
A) parameter B) statistic C) population D) variable

Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
250 hrs is a B) statistic