• 0
Votes
name

A PHP Error was encountered

Severity: Warning

Message: Undefined array key "userid"

Filename: views/question.php

Line Number: 212

Backtrace:

File: /home/statpmkj/public_html/application/views/question.php
Line: 212
Function: _error_handler

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

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

A random sample of 15 customers in two different banks were selected and their wait times (in minutes) are given below. Use this data to complete parts (a) through (d).

Bank A: 3.46, 3.26, 4.47,6.01,0.31,5.08,6.56,6.17
Bank B: 9.64,5.87,8.11,5.84,8.76,3.74,8.16,8.27,10.41,6.78,5.55,4.05,6.16,9.89,5.43

a. Is there evidence of a difference in the variability of the waiting time between the two banks? (Use a=0.10.)

Conduct the analyses by calculating the F-STAT test statistic