Canadian study finds COVID measures were effective in reducing cases, hospitalizations, mortality rate | Globalnews.ca
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The results show that wearing a mask led to a reduction of 2.76 cases per 100,000 people, and a 0.19 per cent reduction in the mortality rate worldwide.

The results show that wearing a mask led to a reduction of 2.76 cases per 100,000 people, and a 0.19 per cent reduction in the mortality rate worldwide.

    • Nouveau_Burnswick@lemmy.world
      18·
      9 months ago

      For a hypothesis to be statistically significant it needs to be at the very least 5% to reject the null.

      No, the p-value has to be at least 5% to reject the null. Assuming a is 5% and it’s a one tailed test not two tailed…

      And of course there are huge problems with using a flat 5% is a statistical significance marker, BSAP banned it’s use.

      Finish your stats class and try again.

    • TotallyHuman@lemmy.ca
      6·
      9 months ago

      That’s not how statistics works. You can have a significant effect with a tiny effect size, or a large effect size that on analysis turns out to be insignificant.