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data Genius
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
Use the given confidence interval to find the margin of error and the sample mean.
(___,___)
The sample mean is ___. (Type an integer or a decimal.)
The margin of error is ___. (Type an integer or a decimal.)