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| Topic: |
Business
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| Number of pages / Number of words: |
3 / 799 |
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The present method requires 42.3 minutes, on the average, to assemble a cart. The mean assembly time for a random sample of 24 carts, using the new method, was 40.6 minutes, and the standard deviation of the sample was 2.7 minutes. Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
Let X be the time required to assembling the golf cart...
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Let be the mean time required. Given that .The hypothesis considered here is
H0: Assembly time using the new method = 42.3 min
H1: Assembly time using the new method less than 42.3 min
Test Statistic used here is
Given that n = 24 , = 40.6 min SD = 2.7 min sig level = .10 Population mean = 42.3
Reject the null hypothesis, if the calculated value is less than the critical value of Students t statistics with n-1 d...
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