1. Use the following information to answer the following question.

One sample T confidence interval: : Mean of variable 95% confidence interval results:

Variable	Sample Mean	Std. Err.	DF	L. Limit	U. Limit
Calories in beer 12 oz	155.5443	3.4731854	40	148.68411	162.4045

How many beers were in the sample?

	A.	41
	B.	12
	C.	40
	D.	95
	E.	unable to tell from the given output.

2.Use the following information to answer the following question.

One sample T confidence interval: : Mean of variable 95% confidence interval results:

Variable	Sample Mean	Std. Err.	DF	L. Limit	U. Limit
Calories in beer 12 oz	155.5443	3.4731854	40	148.68411	162.4045

What is the approximate typical size of the sampling error?

	A.	0.28
	B.	3.47
	C.	155.54
	D.	6.86
	E.	unable to tell from the given output.

3.Use the following information to answer the following question.

One sample T confidence interval: : Mean of variable 95% confidence interval results:

Variable	Sample Mean	Std. Err.	DF	L. Limit	U. Limit
Calories in beer 12 oz	155.5443	3.4731854	40	148.68411	162.4045

What is the 95% error margin for the variable Calories?

	A.	6.86
	B.	13.72
	C.	3.43
	D.	3.47
	E.	unable to tell from the given output.