Maggy Mwangi
A PHP Error was encountered
Severity: Notice
Message: Undefined index: userid
Filename: views/question.php
Line Number: 212
Backtrace:
File: /home/mycocrkc/statisticsanswered.com/application/views/question.php
Line: 212
Function: _error_handler
File: /home/mycocrkc/statisticsanswered.com/application/controllers/Questions.php
Line: 416
Function: view
File: /home/mycocrkc/statisticsanswered.com/index.php
Line: 315
Function: require_once
The table below shows the rank attained by male and female officers in the New York City Police Department (NYPD). Do these data indicate that men and women are equitably represented at all levels of the department? (De Veaux et al., 2009)
a) State what type of test is appropriate and give your hypotheses.
b) Find the chi-square statistic, the p-value, and report the degrees of freedom.
c) State and justify your conclusions. Are gender and rank independent or is there an
association?
| Rank | Male | Female |
| Officer | 21900 | 4281 |
| Detective | 4058 | 806 |
| Sergeant | 3898 | 415 |
| Lieutenant | 1333 | 89 |
| Captain | 359 | 12 |
| Higher Ranks | 218 | 10 |