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When you encounter a T-critical value of 2.50, which T-obtained value would reject the null hypothesis? A) Tobt = 2.75 B) Tobt = -2.75 C) Tobt = 2.40 D) Tobt = - 2.40

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JeanaShupp

Answer: A) Tobt = 2.75 B) Tobt = -2.75

Explanation:

  • We reject the null hypothesis when the absolute critical t-value is lower than the absolute t-obtained value.

The given t-critical value [tex]T_{crit}=2.50[/tex]

So , we reject null hypothesis , when [tex]2.50< | T_{obt}|[/tex]

Since, [tex]2.50<|2.75|,\ \ 2.50<|-2.75|[/tex]  but [tex]2.50>|2.40|\ \ \ , 2.50>|-2.40|[/tex]

So, the correct options are A) Tobt = 2.75 B) Tobt = -2.75

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