Question 769335: Can someone please help me with the following statistic problem. Please show all the work.
5) Find the critical t-values for the following hypothesis tests:
(a) two-tailed test, level of Significance = .01, df = 24 _____________
(b) one-tailed test, lower tail critical, level of significance = .05, df = 17 ____________
(c) one-tailed test, upper tail critical, level of significance = .01, df = 8 ______________
(d) two-tailed test, level of Significance = .05, df = 15 ____________
(e) two-tailed test, level of Significance = .001, df = 36 ____________
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Find the critical t-values for the following hypothesis tests:
(a) two-tailed test, level of Significance = .01, df = 24
Crit Value = +-invT(0.005,24) = +-2.7969
---------------------------------------------
(b) one-tailed test, lower tail critical, level of significance = .05, df = 17 invT(0.05,17) = -1.7396
---------------------------------------------
(c) one-tailed test, upper tail critical, level of significance = .01, df = 8
invT(0.95,8) = 1.8595
----------------------------------------------
(d) two-tailed test, level of Significance = .05, df = 15
+-invT(0.025,15) = +-2.1314
-----------------------------------------------
(e) two-tailed test, level of Significance = .001, df = 36
+-invNorm(0.0005,36) = +-3.2905
Or
+-invT(0,0005,36) = +-3.5821
========================================
Cheers,
Stan H.
|
|
|
