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hi Hello everyone. I would like to ask about help with statistic - again ;( I try do something but I am not sure. Thank you for help. 1. Determine if...

hi

Hello everyone. I would like to ask about help with statistic - again ;(

I try do something but I am not sure. Thank you for help.


1.   Determine if average prices for female shoes is less than average prices for male shoes. Compare the result with part 1 question 1. Does the result confirm your previous findings? (Follow the hypothesis testing steps, 0.05 level of significance, assuming "none equal variances" of populations). 


I THINK THAT HYPOTHESIS CAN BE FRAMED AS:


H0:m1 ≥m2

Ha:m1 <m2


H0:m1-m2 ≥0

Ha:m1 m2<0


We have lower tail lest

Reject H0 if calculate t < -t n1+n2-2


From table calculate t =0.753 ( this data I have from excel analysis data )

Critical t  =1.666


0.753<-1.66

no reject H0


and I thing that graph look like that

normaldistributiongrapher.php.png





I have also another one but I do not know how framed hypothesis

q2 Determine if there is a difference in shoes prices in different countries( we have 3 ) (Follow the hypothesis testing steps, 0.05 level of significance). everyone, I need again help with statistic :(


please show me how wrote hypothesis for q2

Thank you for help

Top Answer

1) Yes, you are right. Good job! Ho:  μ ​ f ​ ​ ≥ μ ​ m ​ ​  Ha:  μ ​ f ​ ​ &lt; μ ​ m... View the full answer

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The best way to approach your question... View the full answer

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