how MANY DEGREes of fredom?     Assume that you have a sample of n1=8​, with the sample mean X1=41​, and a sample standard deviation of S1=6, and you have an independent sample of n2=14 from another population with a sample mean of X2=34 and the sample standard deviation S2=5. Complete parts​ (a) through​ (d) below.

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
how MANY DEGREes of fredom?
 
 
Assume that you have a sample of
n1=8​,
with the sample mean
X1=41​,
and a sample standard deviation of
S1=6,
and you have an independent sample of
n2=14
from another population with a sample mean of
X2=34
and the sample standard deviation
S2=5.
Complete parts​ (a) through​ (d) below.
 
 
 
a. What is the value of the​ pooled-variance
tSTAT
test statistic for testing
H0: μ1=μ2​?
 
tSTAT=2.942.94
​(Round to two decimal places as​ needed.)
b. In finding the critical​ value, how many degrees of freedom are​ there?
 
 
 
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 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