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Conduct a t-test at the .01 level. What is the critical value?  (A) 1.645 for a one-tailed test (B) -1.645 for a one-tailed test (C) 1.960 for a one-tailed test (D) -1.960 for a one-tailed test (E) 2.326 for a one-tailed test (F) -2.326 for a one-tailed test (G) 2.576 for a one-tailed test (H) -2.576 for a one-tailed test (I) 1.645 and -1.645 for a two-tailed test (J) 1.960 and -1.960 for a two-tailed test (K) 2.576 and -2.576 for a two-tailed test

Conduct a t-test at the .01 level. What is the critical value?  (A) 1.645 for a one-tailed test (B) -1.645 for a one-tailed test (C) 1.960 for a one-tailed test (D) -1.960 for a one-tailed test (E) 2.326 for a one-tailed test (F) -2.326 for a one-tailed test (G) 2.576 for a one-tailed test (H) -2.576 for a one-tailed test (I) 1.645 and -1.645 for a two-tailed test (J) 1.960 and -1.960 for a two-tailed test (K) 2.576 and -2.576 for a two-tailed test

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
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Conduct a t-test at the .01 level.

What is the critical value? 

(A) 1.645 for a one-tailed test


(B) -1.645 for a one-tailed test


(C) 1.960 for a one-tailed test


(D) -1.960 for a one-tailed test


(E) 2.326 for a one-tailed test


(F) -2.326 for a one-tailed test


(G) 2.576 for a one-tailed test


(H) -2.576 for a one-tailed test


(I) 1.645 and -1.645 for a two-tailed test


(J) 1.960 and -1.960 for a two-tailed test


(K) 2.576 and -2.576 for a two-tailed test

 

 

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 Sample size 361 169 mean $19,500 $20,500 st.dev $3,800 $3,900
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 Sample size 361 169 mean $19,500 $20,500 st.dev $3,800 $3,900
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