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Assignment 2-Hw8
  • Borong Lyu
Borong Lyu
New York University
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Abstract

This paper tested the null hypothesis that The average trip duration of men is equal to that of women. The alternative hypothesis is that: The average trip duration of men is different from that of women.  This paper uses a significance level  α=0.05.
This paper used unpaired 2 sample T-test to test this hypothesis.  Before applying T-test. This paper used Fisher's F test to test the hypothesis of equality of the variances. Then the result shows that these two samples have unequal sample sizes and unequal variances. 
As a result, the T statistics is smaller than the critical value. Thus, this paper rejects the null hypothesis. The trip duration of the female is significantly different from the trip duration of the male.