What is the value of the t score for a 99% confidence interval if we take a sample of size 22?
1 answer:
Answer: 2.831
Step-by-step explanation:
As per given , we have
sample size : n= 22
Degree of freedom = n-1 = 22-1=21
Significance level for 99% confidence interval = 
Using student's t-value table, we have

Hence, the t score for a 99% confidence interval if we take a sample of size 22= 2.831
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