The Following Data Were Collected to Determine Whether or Not $H _ { 0 }$

The following data were collected to determine whether or not the retirement age is the same for people in different professions.

A) $H _ { 0 }$ : The retirement age has the same distribution for people in the different professions.
$H _ { A }$ : The retirement age has a different distribution for people in the different professions.
B) $H _ { 0 } :$ Age at retirement and job are dependent.
$H _ { A }$ : Age at retirement and job are not dependent.
C) $H _ { 0 } :$ Age at retirement and job are related.
$H _ { A }$ : Age at retirement and job are unrelated.
D) $H _ { 0 }$ : The retirement age has a different distribution for people in the different professions.
$H _ { A }$ : The retirement age has the same distribution for people in the different professions.
E) $H _ { 0 } :$ Age at retirement and job are not independent.
$H _ { A }$ : Age at retirement and job are dependent.