A PHP Error was encountered
Severity: Warning
Message: Undefined array key "userid"
Filename: views/question.php
Line Number: 212
Backtrace:
File: /home/statpmkj/public_html/application/views/question.php
Line: 212
Function: _error_handler
File: /home/statpmkj/public_html/application/controllers/Questions.php
Line: 416
Function: view
File: /home/statpmkj/public_html/index.php
Line: 315
Function: require_once
choose the correct decision and summary about an hypothesis
You are testing the claim that the mean GPA of night students is different than the mean GPA of day students. You sample 30 night students and 30 day students. Test the claim using a 1% level of significance. Assume the population standard deviations are unequal.
tTest: TwoSample Assuming Unequal Variances 





Night 
Day 
Mean 
2.98767 
3.3432 
Variance 
0.29009 
0.266482 
Observations 
30 
30 
Hypothesized Mean Difference 
0 

df 
58 

t Stat 
2.6102 

P(T<=t) onetail 
0.0057 

t Critical onetail 
1.6716 

P(T<=t) twotail 
0.01149 

t Critical twotail 
2.0017 
The Hypotheses for this problem are:
H_{0}: μ_{1} = μ_{2}
H_{1}: μ_{1 }μ_{2}
Choose the correct decision and summary based on the pvalue.