1
Q
When is a 1 Sample T Test used?
A
When the standard deviation of the population is unknown.
2
Q
What is the general hypothesis for a t test?
A
3
Q
The conditions for a 1 Sample T Test are:
A
SRS
Normality (As stated in the question or graph if you have data)
σ is unknown
4
Q
What is the formula for the test statistic of the 1 Sample T Test?
A
5
Q
How do you determine the degrees of freedom for a 1 sample t test?
A
Sample Size -1 = Degrees of Freedom
6
Q
What are the conditions for a 2 Sample T Test?
A
Each sample is an SRS
Normality (as stated in the question or graph the data)
Both samples are independent
σ is unknown
7
Q
What is the formula for the test statistic of a 2 Sample T Test?
A
8
Q
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A
AP Statistics Spring Final Exam
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