Question

It is fairly common for people to put on weight when they quit smoking. While a small weight gain is normal, excessive weight gain can create new health concerns that erode the benefits of not smoking. The accompanying table shows a portion of the weight data for 50 women before quitting and six months after quitting; the complete data set, labeled Smoking_Weight, are available on the text website.
Weight after Quitting Weight before Quitting
155.............. 140
142.............. 144
: .............. :
147.............. 135
a. Construct and interpret a 95% confidence interval for the mean gain in weight.
b. Use the above confidence interval to determine whether or not the mean gain in weight is 5 pounds.



$1.99
Sales0
Views40
Comments0
  • CreatedJanuary 28, 2015
  • Files Included
Post your question
5000