Homework Help is Here – Start Your Trial Now!
Math
Statistics
A sample of n sludge specimens is selected and the pH of each one is determined. The one-sample t test will then be used to see if there is compelling evidence for concluding that true average pH is less than 7.0. What conclusion is appropriate in each of the following situations? n USE SALT (a) n = 6, t = -2.9, a = 0.05 O Reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. O Reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. O Do not reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. O Do not reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. (b) n = 13, t = -3.7, a = 0.01 O Reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. O Reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. O Do not reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. O Do not reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. (c) n= 19, t = -1.4, a = 0.05 O Reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. O Reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. O Do not reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. O Do not reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0.

A sample of n sludge specimens is selected and the pH of each one is determined. The one-sample t test will then be used to see if there is compelling evidence for concluding that true average pH is less than 7.0. What conclusion is appropriate in each of the following situations? n USE SALT (a) n = 6, t = -2.9, a = 0.05 O Reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. O Reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. O Do not reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. O Do not reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. (b) n = 13, t = -3.7, a = 0.01 O Reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. O Reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. O Do not reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. O Do not reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. (c) n= 19, t = -1.4, a = 0.05 O Reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. O Reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. O Do not reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. O Do not reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question
A sample of n sludge specimens is selected and the pH of each one is determined. The one-sample t test will then be used to see if there is compelling evidence for concluding that true average pH is less than 7.0. What conclusion is appropriate in each of the following situations? In USE SALT (a) n = 6, t = -2.9, a = 0.05 Reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. (b) п %3D 13, t%3D -3.7, а = 0.01 Reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. (с) п %3D 19, t %3D —1.4, а 3D 0.05 Reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0.
Transcribed Image Text:A sample of n sludge specimens is selected and the pH of each one is determined. The one-sample t test will then be used to see if there is compelling evidence for concluding that true average pH is less than 7.0. What conclusion is appropriate in each of the following situations? In USE SALT (a) n = 6, t = -2.9, a = 0.05 Reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. (b) п %3D 13, t%3D -3.7, а = 0.01 Reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. (с) п %3D 19, t %3D —1.4, а 3D 0.05 Reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0.
(d) n = 9, t = 0.5, a = 0.05 Reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. (e) n = 9, x = 6.78, = 0.0820 in We would reject the null hypothesis for any significance level at or below 0.014. We would reject the null hypothesis for any significance level at or above 0.014. We would fail to reject the null hypothesis for any significance level at or below 0.986. We would fail to reject the null hypothesis for any significance level at or above 0.986.
Transcribed Image Text:(d) n = 9, t = 0.5, a = 0.05 Reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is sufficient evidence that the true average pH is less than 7.0. Do not reject the null hypothesis. There is not sufficient evidence that the true average pH is less than 7.0. (e) n = 9, x = 6.78, = 0.0820 in We would reject the null hypothesis for any significance level at or below 0.014. We would reject the null hypothesis for any significance level at or above 0.014. We would fail to reject the null hypothesis for any significance level at or below 0.986. We would fail to reject the null hypothesis for any significance level at or above 0.986.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar 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
SEE MORE TEXTBOOKS