Question
I want to estimate the average age of students graduating this semester. I sample 36 students and calculate a mean age of 23. I know
I want to estimate the average age of students graduating this semester. I sample 36 students and calculate a mean age of 23. I know that the for this population is 2.5. I want to be 95% confident in my confidence interval. What is the standard error (SE)?
A- .42
B- .07
C- .79
D- 1.96
I want to estimate the average age of students graduating this semester. I sample 36 students and calculate a mean age of 23. I know that the for this population is 2.5. I want to be 95% confident in my confidence interval. What is the confidence interval?
A- [22.18, 23.82]
B- [21.04, 24.96]
C- [22.58, 23.42]
D- [21.21, 24.79]
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