Twelve diffferent videop games showing substance use were ob

Twelve diffferent videop games showing substance use were observed and the duration times of the game play (in seconds) are listed below. The design of the study justifies the assumption that the sample can be treated as a simple random sample. Use the data to construct a 90% confidence interval estimate of the mean duration of game play.

4048 3885 3854 4037 4327 4806 4650 4041 5009 4831 4334 4323

What is the confidence interval estimate of the population mean?

_____ < mean < _____ (round to 1 decimal place as needed)

Solution

i think that 3854___ < mean < ____5009