Pratique des Biostatistiques
Accueil › Inférence statistique › Tests d'hypothèses simples relatifs aux moyennes
 Dernière modification: 15 décembre 2010

Hypothèses et prise de décision

  • strict warning: Non-static method view::load() should not be called statically in /home/iamin/www/umdb/biostats/sites/default/modules/views/views.module on line 906.
  • strict warning: Declaration of views_plugin_style_default::options() should be compatible with views_object::options() in /home/iamin/www/umdb/biostats/sites/default/modules/views/plugins/views_plugin_style_default.inc on line 24.
  • strict warning: Declaration of views_plugin_row::options_validate() should be compatible with views_plugin::options_validate(&$form, &$form_state) in /home/iamin/www/umdb/biostats/sites/default/modules/views/plugins/views_plugin_row.inc on line 134.
  • strict warning: Declaration of views_plugin_row::options_submit() should be compatible with views_plugin::options_submit(&$form, &$form_state) in /home/iamin/www/umdb/biostats/sites/default/modules/views/plugins/views_plugin_row.inc on line 134.
  • strict warning: Declaration of views_handler_filter::options_validate() should be compatible with views_handler::options_validate($form, &$form_state) in /home/iamin/www/umdb/biostats/sites/default/modules/views/handlers/views_handler_filter.inc on line 607.
  • strict warning: Declaration of views_handler_filter::options_submit() should be compatible with views_handler::options_submit($form, &$form_state) in /home/iamin/www/umdb/biostats/sites/default/modules/views/handlers/views_handler_filter.inc on line 607.
  • strict warning: Declaration of views_handler_filter_boolean_operator::value_validate() should be compatible with views_handler_filter::value_validate($form, &$form_state) in /home/iamin/www/umdb/biostats/sites/default/modules/views/handlers/views_handler_filter_boolean_operator.inc on line 159.
  • strict warning: Declaration of views_handler_argument::init() should be compatible with views_handler::init(&$view, $options) in /home/iamin/www/umdb/biostats/sites/default/modules/views/handlers/views_handler_argument.inc on line 744.
  • strict warning: Non-static method view::load() should not be called statically in /home/iamin/www/umdb/biostats/sites/default/modules/views/views.module on line 906.
  • strict warning: Non-static method view::load() should not be called statically in /home/iamin/www/umdb/biostats/sites/default/modules/views/views.module on line 906.
  • strict warning: Non-static method view::load() should not be called statically in /home/iamin/www/umdb/biostats/sites/default/modules/views/views.module on line 906.
  • strict warning: Non-static method view::load() should not be called statically in /home/iamin/www/umdb/biostats/sites/default/modules/views/views.module on line 906.
  • strict warning: Non-static method view::load() should not be called statically in /home/iamin/www/umdb/biostats/sites/default/modules/views/views.module on line 906.

Hypothèse nulle

H0: M1 = M2 = Mx

Hypothèses alternatives

H1: M1 plus grand que M2

AH0 si

  • Z observé plus petit que Z (1-alpha)
  • t observé plus petit que t (1-alpha)

RH0 si

  • Z observé plus grand que Z (1-alpha)
  • t observé plus grand que t (1-alpha)

H1: M1 plus petit que M2

AH0 si

  • Z observé plus grand que Z (alpha)
  • t observé plus grand que t (alpha)

RH0 si

  • Z observé plus petit que Z (alpha)
  • t observé plus petit que t (alpha)

H1: M1 différent de M2


AH0 si

  • Z observé compris entre Z (alpha/2) et Z (1-alpha/2)
  • t observé compris entre t (alpha/2) et t (1-alpha/2)

RH0 si

  • Z observé plus grand que Z (1-alpha/2)
  • t observé plus grand que t (1-alpha/2)

ou

  • Z observé plus petit que Z (alpha/2)
  • t observé plus petit que t (alpha/2)