Post a New Question


posted by .

A study was conducted to estimate the mean amount spent on Christmas gifts for a typical family having two children. A sample of size 150 was taken, and the mean amount spent was $225. Assuming a standard deviation equal to $50, find a 95% confidence interval for , the mean for all such families.

  • Statistics -

    See later post. Same formula.

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question