Ir para o conteúdoIr para a pasta
      employer cover photo
      employer logo
      employer logo

      Meta

      Empresa engajada

      Entrevista do cargo de Data Scientist da empresa Meta

      Pergunta de entrevista da empresa Meta

      Entrevista para Data Scientist

      What is the difference between Z test and T test?

      Respostas da entrevista

      Sigiloso

      24 de jul. de 2018

      True variance is known versus variance is unknown.

      Sigiloso

      23 de mai. de 2019

      the main difference: population variance z-test you know the variance and mean of the population and can calculate SE based on that. t-test is that you don't know the population parameters and your SE is calculated by samples' SD

      1
      Buscas relacionadas: Avaliações da empresa Meta | Vagas da empresa Meta | Salários da empresa Meta | Benefícios da empresa Meta
      Entrevistas da empresa Meta