SOLUTION: An economist for a certain car manufacturing process indicates that a car manufacturing process takes an approximate average time of 35 minutes. However, the economist believes tha
Algebra ->
Probability-and-statistics
-> SOLUTION: An economist for a certain car manufacturing process indicates that a car manufacturing process takes an approximate average time of 35 minutes. However, the economist believes tha
Log On
Question 1185794: An economist for a certain car manufacturing process indicates that a car manufacturing process takes an approximate average time of 35 minutes. However, the economist believes that a certain medication would reduce this time, and after being modified, the process is repeated 13 times, giving an average time of 33.3 minutes with a standard deviation of 2.4 minutes.
Determine if there is any significant reducing in time taken in the manufacturing process at 5% level of significance. Answer by ikleyn(52818) (Show Source):
