Severity: Warning
Message: fopen(/home/answnniz/solutionspile.com/system/sessions/ci_sessiondd0806fef7cc7691227ccb4fe9f287d85a428ccd): 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 test statistic used for a test of two equal variances? Assume s12 is the larger sample variance. Multiple choice question. F = s21s22s12s22 F = s21?s22?n?1?s12-s22?n-1 F = ?21?22