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A PHP Error was encountered

Severity: Notice

Message: Undefined index: userid

Filename: views/question.php

Line Number: 192

Backtrace:

File: /home/noqkocv1izd6/public_html/application/views/question.php
Line: 192
Function: _error_handler

File: /home/noqkocv1izd6/public_html/application/controllers/Questions.php
Line: 416
Function: view

File: /home/noqkocv1izd6/public_html/index.php
Line: 315
Function: require_once

 

A developer collects a random sample of the ages of houses from two neighborhoods and finds that the summary statistics for each are as shown. Test the hypothesis that the mean age of houses in the two neighborhoods is the same. Assume that the ages of houses in each neighborhood follow a Normal distribution. Address the problems that follow below.