Homework Help is Here – Start Your Trial Now!
Math
Statistics
3. A researcher wants to asses the self-discipline levels among undergraduate and graduate students. A random sample of 300 undergraduate students was selected with average score of 184 and standard deviation of 16 ( group 1). Also , a random sample of 350 graduate students was selected with average score of 153 and standard deviation of 21 ( group 2). Is this enough evidence to conclude that undergraduate students score less, on average than the graduate students. [ assume that the population variances ule uba 4.00 je .are equals] lin ale Jlg ?i. What is the value of the pooled sample variance for the difference between the sample means 18.860 355.640 None of theseO 1.480 16.150 H4,-4,<0 ii. What is the value of the test statistic for testing the hypothesis Hou, -H,=0 against 3.370 None of theseO 0.270 3.37-0 3.44-0

3. A researcher wants to asses the self-discipline levels among undergraduate and graduate students. A random sample of 300 undergraduate students was selected with average score of 184 and standard deviation of 16 ( group 1). Also , a random sample of 350 graduate students was selected with average score of 153 and standard deviation of 21 ( group 2). Is this enough evidence to conclude that undergraduate students score less, on average than the graduate students. [ assume that the population variances ule uba 4.00 je .are equals] lin ale Jlg ?i. What is the value of the pooled sample variance for the difference between the sample means 18.860 355.640 None of theseO 1.480 16.150 H4,-4,<0 ii. What is the value of the test statistic for testing the hypothesis Hou, -H,=0 against 3.370 None of theseO 0.270 3.37-0 3.44-0

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
Topic Video
Question
A researcher wants to asses the self-discipline levels among undergraduate and graduate students. A random sample of 300 undergraduate students was selected with average score of 184 and standard deviation of 16 ( group 1). Also , a random sample of 350 graduate students was selected with average score of 153 and standard deviation of 21 ( group 2). Is this enough evidence to conclude that undergraduate students score less, on average than the graduate students. [ assume that the population variances سؤال 3 ير مجاب عليه الدرجة من 0 4.0 lie ale P السؤال .are equals] ?i. What is the value of the pooled sample variance for the difference between the sample means 18.860 355.640 None of theseO 1.480 16.150 H4,-4,<0 ii. What is the value of the test statistic for testing the hypothesis Hou, -H,=0 against 3.370 None of theseO 0.270 3,37-0 3.44-0 P Type here to search Ae W Ps 近
Transcribed Image Text:A researcher wants to asses the self-discipline levels among undergraduate and graduate students. A random sample of 300 undergraduate students was selected with average score of 184 and standard deviation of 16 ( group 1). Also , a random sample of 350 graduate students was selected with average score of 153 and standard deviation of 21 ( group 2). Is this enough evidence to conclude that undergraduate students score less, on average than the graduate students. [ assume that the population variances سؤال 3 ير مجاب عليه الدرجة من 0 4.0 lie ale P السؤال .are equals] ?i. What is the value of the pooled sample variance for the difference between the sample means 18.860 355.640 None of theseO 1.480 16.150 H4,-4,<0 ii. What is the value of the test statistic for testing the hypothesis Hou, -H,=0 against 3.370 None of theseO 0.270 3,37-0 3.44-0 P Type here to search Ae W Ps 近
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
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