a. A random sample of 25 observations was drawn from a normal population. The sample mean and
Question:
a. A random sample of 25 observations was drawn from a normal population. The sample mean and sample standard deviation are and s 15.
Calculate the test statistic (and for Excel users, the p-value) of a test to determine if there is enough evidence at the 10% significance level to infer that the population mean is not equal to 50.
b. Repeat part
(a) with n 15.
c. Repeat part
(a) with n 5.
d. Discuss what happens to the t-statistic (and for Excel users, the p-value) when the sample size decreases.
Fantastic news! We've Found the answer you've been seeking!
Step by Step 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 
Statistics For Management And Economics
ISBN: 9781133420774
9th Edition
Authors: Gerald Keller, Kenneth C Louden
Question Posted:
