Question

A Washington, D.C., “think tank” announces the typical teenager sent 50 text messages per day in 2013. To update that estimate, you phone a sample of 12 teenagers and ask them how many text messages they sent the previous day. Their responses were:


At the .05 level, can you conclude that the mean number is greater than 50? Estimate the pvalue and describe what it tellsyou.


$1.99
Sales2
Views235
Comments0
  • CreatedDecember 10, 2014
  • Files Included
Post your question
5000