one tailed test diagrams - hypothesis testing, Operation Research

One Tailed Test Diagrams

If on the  other  hand  the null hypothesis is that  mean weight  of the  male undergraduate students is  120 pounds and the  alternative  hypothesis is that  can be  more than 120 pounds than  the one tail  test will be applied and we will use the right  tail for  the purpose. If  the other  hand  the hypothesis is that  the weight  is 120 pounds  and the alternative  hypothesis  is that  it is less than  120 pounds  then again  we will use the  tail  test  and use the  left  tail  of the normal  curve.

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