In your sample, there are two groups of people: those who have a high school degree and those who have a bachelor's degree or higher. The following table shows the sample statistics of the two groups. You hypothesize that in general those who have a bachelor's degree or higher should earn more than those who have a high school degree. The estimated standard error is $360. Education Group 1 High school Group 2 BA or higher $19,500 $3,800 169 $20,500 $3,900 Sample size 361 mean st.dev

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
Question

Conduct a t-test at the .01 level 

What is the correct hypotheses? 

(A) H1: μ1-μ2=0        H0: μ1-μ2≠0


(B) H1: μ1-μ2=0        H0: μ1-μ2<0


(C) H1: μ1-μ2=0        H0: μ1-μ2>0


(D) H1: μ1-μ2≠0        H0: μ1-μ2=0


(E) H1: μ1-μ2<0        H0: μ1-μ2=0


(F) H1: μ1-μ2>0        H0: μ1-μ2=0

 

 

In your sample, there are two groups of people: those who have a high school degree
and those who have a bachelor's degree or higher. The following table shows the
sample statistics of the two groups. You hypothesize that in general those who have
a bachelor's degree or higher should earn more than those who have a high school
degree. The estimated standard error is $360.
Education
Group 1
High school
Group 2
BA or higher
$19,500
$3,800
169
$20,500
$3,900
Sample size 361
mean
st.dev
Transcribed Image Text:In your sample, there are two groups of people: those who have a high school degree and those who have a bachelor's degree or higher. The following table shows the sample statistics of the two groups. You hypothesize that in general those who have a bachelor's degree or higher should earn more than those who have a high school degree. The estimated standard error is $360. Education Group 1 High school Group 2 BA or higher $19,500 $3,800 169 $20,500 $3,900 Sample size 361 mean st.dev
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