Confidence Interval For LargerRules for Hypothesis TestSample (n > 30)Z-test1) Check whether the situationC. I = x + 2 x 6one tailed 1 TWO- tailed.5h2) State Ho & H,Confidence Interval For smaller3) Find the test by seeing situationSample (n< 30)t-test4) Find the test statistic (c.v)SC.I = x + t 2/2 2 InZ= ?5) Find the table value (T.V)T- test:6) Compare T.V with C.Ilevel of significance = 0.05 orT.V>C.VHo is accepted0.01Degree of freedom (n-1)If notrejectedZ- test:T-test:Hypothesis TestingZ = 3-mZ=-Type 1 errorRejecting Ho when6SJhntrueType 2 error Accepting Ho whenit is falseHypothesis testing for 2 samplemeansONE- Tailed & Two- Tailed TestLargeInferiolity, superiority morethan,62sample+2less thaninn(n>30)Acceptance regionDos00RejectionRegiont= x,-x2RejectionRegionn,+n2-24/22/2(n<30)t-testlevel of significance = 0.05degree of freedom = (n,tr))-2