Q:

The one sample t statistic for testing

Ho: mu = 0

Ha: mu > 0

from a sample of n = 15 observations has the value t = 1.82

a) What are the degrees of freedom?

b) Give the two critical values t* from Table C that bracket t. What are the right-tail probabilities p for these two entries?

c) Between what two values does the P-value of the test fall?

d) Is the vaule t = 1.82 significant at the 5% level? Is it at the 1% level?

a) 14

b) 1.761 and 2.145

.05 and .025

c) .05 and .10 ?

d) 5% it is 1% it is not ?

Thanks in advance!