Calculating degree of freedom 3. Calculating the degrees of freedom, the sample

Question

Calculating degree of freedom

3. Calculating the degrees of freedom, the sample variance, and the estimated standard error for evaluations using the t statistic Aa Aa isigiecontinuous variablefrom astudywith asampleofn=10usingthe t statistic. What are the degrees of freedom for the sample? 0 8 O 10 O 11 With another study, where you also plan on evaluating a mean using the t statistic, you have a sample of n 41 that has an SS of 600. What is the variance for the sample? O 15 O 24.49 O 360,000 O 3.87 For a sample of n = 36 that has a sample variance of 1,296, what is the estimated standard error for the sample? O 36 0 37 O 6.09

Explanation / Answer

1) degree of freedom =n-1 =10-1 =9

2) variance =SS/(n-1) =600/(41-1)=15

3) etimated std error=(sample variance/n)1/2 =(1296/36)1/2 =6

please revert for any clarification required

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