Difference in slopes

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  • Опубліковано 15 вер 2024

КОМЕНТАРІ • 2

  • @amobichukwuamanambu5598
    @amobichukwuamanambu5598 2 роки тому +3

    An absolute good video and quality explanation. Thank you

  • @joannapiwnik4145
    @joannapiwnik4145 2 роки тому +14

    Could anyone please explain me how is a value of degrees of freedom calculated? Typically you subtract N-2 for t test, why in this case is it N-4? I have a case with two groups with four members in each group, so will I get df=8-4=4?