- State the null and alternate hypothesis.
- Will you use a left tail, right tail or 2 tailed test?
- Identify the sampling distribution to be used: standard normal,
Student’s t or chi squared.
- Find the value of the test statistic.
- Find the P-Valu
- Based on your answers, shall we reject or accept the null
hypothesis?
- Write the conclusion in the context of the problem.
Flying time on an old route between 2 cities has a mean
value of =5.25 hours with standard deviation is =0.6
hours. There are 36 flights on a new route where
the mean is hours. Does this indicate that the average
flying time for the new route is less than5.25
hours? Use a 5% level of significance.
there was no sample mean provided.