## Question 151:

A random sample of 25 households finds that an average of 2.3 people reside in each house (the standard deviation is 0.35). With a 95% confidence level, what is your estimation of the population average?

Need more than just an answer? Download the Easy t Excel T-test Calculator Package which gets you the answer with the detailed calculations.

Need help with the concepts in this question ? View the Comparing Two Means: 2 Sample t-test Tutorial.