average annual salary 8f females in Australla average annual salary of females in Syaney Мean 100151.2211 111655.1216 Variance 1583967575 1758961242 Observations 294 74 Hypothesized Mean Difference df 108 t Stat -2.130447248 P(T<=t) one-tail t Critiacal one-tail 0.017702275 1.659085144 P(T<=t) two-tail t Critical two-tail 0.03540455 1.982173483

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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t-Test: Two-Sample Assuming Unequal Variances
average annual salary of females in Australia
average annual salary of females in Sydney
Mean
100151.2211
111655.1216
Variance
Observations
Hypothesized Mean Difference
df
1583967575
1758961242
294
74
108
t Stat
-2.130447248
P(T<=t) one-tail
t Critiacal one-tail
0.017702275
1.659085144
P(T<=t) two-tail
t Critical two-tail
0.03540455
1.982173483
Transcribed Image Text:t-Test: Two-Sample Assuming Unequal Variances average annual salary of females in Australia average annual salary of females in Sydney Mean 100151.2211 111655.1216 Variance Observations Hypothesized Mean Difference df 1583967575 1758961242 294 74 108 t Stat -2.130447248 P(T<=t) one-tail t Critiacal one-tail 0.017702275 1.659085144 P(T<=t) two-tail t Critical two-tail 0.03540455 1.982173483
The estimated average annual salary of
females in Australia is $96,174. Use a 5%
level of significance to test if the average
annual salary for females in Sydney is
higher than the overall average.
Transcribed Image Text:The estimated average annual salary of females in Australia is $96,174. Use a 5% level of significance to test if the average annual salary for females in Sydney is higher than the overall average.
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