of + o 81 =0.77; 82 = 0.82 E1 = 48.92; z2 = 48.94 n= 24; n2 = 31 %3D a. Calculate the Standard Error s- = (use 3 decimal places) b. Calculate the t-test statistic using the standard error from part a. t = (use 2 decimal places) c. What are the degrees of freedom? df %3D

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
Tests the claim that 1 # p2. Assume the samples are normally distributed, random and independent.
of + o
S1 =0.77 ; s2 = 0.82
E1 = 48.92 ; z2 = 48.94
n1 = 24; n2 = 31
a. Calculate the Standard Error s-, =
(use 3 decimal places)
(use 2 decimal places)
b. Calculate the t-test statistic using the standard error from part a. t =
c. What are the degrees of freedom? df
%3!
d. At a = 0.02, Use the distribution table to find the critical values for the rejection region
t = ±
(use 4 decimal places)
e. What is your conclusion?
O Fail to reject the null hypothesis and do not support the claim
O Reject the alternative hypothesis and support the claim
O Accept the null hypothesis and support the claim
O Reject the null hypothesis and support the claim
O Accept the alternative hypothesis and reject the claim
Transcribed Image Text:Tests the claim that 1 # p2. Assume the samples are normally distributed, random and independent. of + o S1 =0.77 ; s2 = 0.82 E1 = 48.92 ; z2 = 48.94 n1 = 24; n2 = 31 a. Calculate the Standard Error s-, = (use 3 decimal places) (use 2 decimal places) b. Calculate the t-test statistic using the standard error from part a. t = c. What are the degrees of freedom? df %3! d. At a = 0.02, Use the distribution table to find the critical values for the rejection region t = ± (use 4 decimal places) e. What is your conclusion? O Fail to reject the null hypothesis and do not support the claim O Reject the alternative hypothesis and support the claim O Accept the null hypothesis and support the claim O Reject the null hypothesis and support the claim O Accept the alternative hypothesis and reject the claim
Expert Solution
Step 1

We have given that 

s1 = 0.77; s2 = 0.82

Xbar1 = 48.92; xbar2 = 48.94

n₁ = 24; n₂ = 31

Note:-According to Bartleby Expert guideline, we can answer only first three subparts of a question and rest can be reposted

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
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