Q1. For the given random sample 11.3,8.6,14.8,13.5,9.9,16.8,12.3,15.2,15.7,12,8.9, 14.1,17.8,11.9,13.1,13.7,15.3,11.2,10.7,14.8,14.7, 18.4,13.7,14.6,16.7,16.8,10.1,16.6,14.7,19.7,12.6, 16.3,14.1,19.7,18.7,17.8,19.5,13.6,11.5,17,17.5,14.2, 15.9,9.5,16.6,17.7,15.9,18.3,20.3,14.9 1. Calculate 94% t confidence interval for . 2. try a lower one tailed t-test H0:=16,Ha:<16.H0:=16,Ha:<16. request to calculate value of test statistic and P-value, and use =0.01=0.01 to make conclusion.

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