## Answers

To get this answer, you tdispozbalon_ table. have to degrees_ seed t freedom ose talled test - N=12, P.

.
Level = 0.10. 7 t ca-i), a = t(12-14, olo - = t (12, 0.10 ) =_1.3634. 1 I t table see the = 1 & corresponding - 2=0.10- you will get ):3636 by one. tailed test = N=89, P-level = 0.05 ,2)= 5(89-110.05) Et(88,0.05) = 1.662 10) Two tailed Test - N= 42,_P-hyel = 0.050 t (N-12,42 ) = Here we use 42 t (42-1),212 because two tailed test t641,0.05/2) = t141, 0.025) = 2:3267 > Two teiled testy Nero Palevel = 0.01 tciog-1, 2/2) = (08, 0.01/2) = E(108,0.005) = 2.8658.

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