Using traditional methods it takes 107 hours to receive an advanced flying license. A new training technique using Computer Aided Instruction (CAI) has been proposed. A researcher used the technique on 290 students and observed that they had a mean of 108 hours. Assume the population standard deviation is known to be 6. Is there evidence at the 0.05 level that the technique lengthens the training time?   Step 2 of 6 :  Find the value of the test statistic. Round your answer to two decimal places.

Question

Using traditional methods it takes 107 hours to receive an advanced flying license. A new training technique using Computer Aided Instruction (CAI) has been proposed. A researcher used the technique on 290 students and observed that they had a mean of 108 hours. Assume the population standard deviation is known to be 6. Is there evidence at the 0.05 level that the technique lengthens the training time?

 
Step 2 of 6 : 

Find the value of the test statistic. Round your answer to two decimal places.

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Hypothesis Testing

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