To test H0: = 80 versus H1: < 80, a simple random sample of size
Question:
To test H0: µ = 80 versus H1: µ < 80, a simple random sample of size n = 22 is obtained from a population that is known to be normally distributed.
(a) If x̄ = 76.9 and s = 8.5, compute the test statistic.
(b) If the researcher decides to test this hypothesis at the α = 0.02 level of significance, determine the critical value.
(c) Draw a t-distribution that depicts the critical region.
(d) Will the researcher reject the null hypothesis? Why?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
a b This is a lefttailed test with 22 1 21degrees ...View the full answer
Answered By
Charles mwangi
I am a postgraduate in chemistry (Industrial chemistry with management),with writing experience for more than 3 years.I have specialized in content development,questions,term papers and assignments.Majoring in chemistry,information science,management,human resource management,accounting,business law,marketing,psychology,excl expert ,education and engineering.I have tutored in other different platforms where my DNA includes three key aspects i.e,quality papers,timely and free from any academic malpractices.I frequently engage clients in each and every step to ensure quality service delivery.This is to ensure sustainability of the tutoring aspects as well as the credibility of the platform.
2+ Reviews
10+ Question Solved
Related Book For 
Question Posted:
