n=16, x-bar=104, s=8, H0:mu=100. Find t.

Which generally makes a CI narrower?

Eye color is measured at which level?

H0:p=.20, n=100, p-hat=.28. Find z.

A student’s home state is measured at which level?

A student’s academic major is measured at which level?

n=25, x-bar=52, s=10, H0:mu=50. Find t.

H0:p=.50 vs H1:p>.50, P=.018, alpha=.05. Conclusion?

Test whether average salary changed from $50,000. Type?

Confidence level increases with n fixed. Margin of error?