One of the undersecretary of DOLE claims that the average salary of civil engineer is 17350.
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Question:
One of the undersecretary of DOLE claims that the average salary of civil engineer is ₱ 17350. A sample of 19 civil engineer's salary has a mean of ₱ 18000 and a standard deviation of P1,230. Is there enough evidence to support the undersecretary's claim at α=0.01?
(round off to the nearest hundredths)
computed value of t =
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