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If 30 participants each completed a memory task three times – once each after having no, moderate, or high levels of caffeine, calculate the total degrees of freedom.

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JeanaShupp

Answer: 29

Step-by-step explanation:

In statistics, the degrees of freedom gives the number of values that have the freedom to vary.

If the sample size is 'n' then the degree of freedom is given by:-

df= n-1

Given: The number of participants for the sample =30

Then the degree of freedom for this sample=30-1=29

Hence, The total degree of freedom= 29

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