Answer G H I (a) What conditions should you check first before you conduct the hypothesis test? (b) Write the null and alternative hypotheses. (c) What type of test are you doing: right-tailed, left-tailed or two-tailed? (d) What formula should be used for the test statistic? (e) What number is the test statistic equal to? (f) Sketch a graph of the p-value (g) What p-value do you obtain? Round to the ten-thousandths. (h) Do you reject the null hypothesis or fail to reject the null hypothesis? Explain. (i) Please write a conclusion sentence, in the context of the problem, that explains to a lay person the result of the hypothesis test. 6. Average weekly earnings for those working in financial activities is $623. A group of employees working for a large national accounting firm felt that they earned more. The mean weekly earnings for a random sample of 21 employees showed an average weekly earning of $650 with a standard deviation of $72. At α =0.01, can it be concluded that the employees are correct?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

Answer G H I

(a) What conditions should you check first before you conduct the hypothesis test?

(b) Write the null and alternative hypotheses.

(c) What type of test are you doing: right-tailed, left-tailed or two-tailed?

(d) What formula should be used for the test statistic?

(e) What number is the test statistic equal to?

(f) Sketch a graph of the p-value

(g) What p-value do you obtain? Round to the ten-thousandths.

(h) Do you reject the null hypothesis or fail to reject the null hypothesis? Explain.

(i) Please write a conclusion sentence, in the context of the problem, that explains to a lay person the result of the hypothesis test.

6. Average weekly earnings for those working in financial activities is $623. A group of employees working for a large national accounting firm felt that they earned more. The mean weekly earnings for a random sample of 21 employees showed an average weekly earning of $650 with a standard deviation of $72. At α =0.01, can it be concluded that the employees are correct?

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman