claims that, the mean time to complete a commercial complex is around 15 months.
Suppose a new construction company claims that, the mean time to complete a commercial complex is around 15 months. A sample of 16 construction companies are randomly selected and it is found that the mean time taken by them to complete a commercial complex building was 12.5 with a standard deviation of 2.5 months. At 10% level of significance, do you have sufficient evidence to conclude that the new construction company claim true?
What is the Null hypothesis (H0); Alternate hypothesis (H1); and the direction of the test?
Which distribution is used in this case?
What is the critical value?
What is the Test Statistic Value?
What is the P-value?
What is the conclusion of the test?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
