What can AUA conclude at alpha=0.05?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 93E
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Question
AUA wants to know whether recent alumni students from MBA class earn significantly more than recent alumni from BAB class. They take a sample of several students and ask the amount of their monthly salaries in USD (Sheet 32). What can AUA conclude at alpha=0.05?
Sheet 32
MBA | BAB |
515 | 300 |
450 | 420 |
620 | 380 |
630 | 450 |
570 | 420 |
590 | 490 |
750 | 510 |
560 | 470 |
480 | 530 |
250 | 570 |
320 | 480 |
450 | 620 |
625 | 190 |
350 | 280 |
450 | 350 |
570 | 250 |
Select one:
a.
t(stat)=1.92, which is greater than t(cr)=1.7, therefore, we can conclude that MBA graduates earn more BAB graduates.
b.
t(stat)=1.89, which is greater than t(cr)=1.75, therefore, we can conclude that MBA graduates earn more BAB graduates.
c.
t(stat)=2.07, which is greater than t(cr)=1.69, therefore, we cannot conclude that MBA graduates earn more BAB graduates.
d.
t(stat)=2.07, which is greater than t(cr)=1.69, therefore, we can conclude that MBA graduates earn more BAB graduates.
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