Severity: Warning
Message: fopen(/home/answnniz/solutionspile.com/system/sessions/ci_sessionc7041b81355b6108ce1ec0ea2bf6ff243d4489c1): failed to open stream: Disk quota exceeded
Filename: drivers/Session_files_driver.php
Line Number: 176
Backtrace:
File: /home/answnniz/solutionspile.com/index.php
Line: 367
Function: require_once
Severity: Warning
Message: session_start(): Failed to read session data: user (path: /home/answnniz/solutionspile.com/system/sessions)
Filename: Session/Session.php
Line Number: 143
Backtrace:
File: /home/answnniz/solutionspile.com/index.php
Line: 367
Function: require_once
What is the purpose of a one-sample z-test? A) To compare means of two independent groups B) To compare means of two related samples C) To test if a sample mean differs from a known population mean D) To test if two categorical variables are associated