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junior college 2 | H2 Maths
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Danya Astria
Danya Astria

junior college 2 chevron_right H2 Maths chevron_right Singapore

Statistics and t-test pls help

Date Posted: 2 years ago
Views: 519
PhysChemTutor
PhysChemTutor
2 years ago
So what do you need? You do not understand the model answer? You want to know situations when you need t-test? sample size <30 and population s.d. not given. ... p value is less than level of significant ==> reject Ho...
Danya Astria
Danya Astria
2 years ago
That isnt the model answer, that is my answer, idk if im correct :(

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PhysChemTutor
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Danya Astria
Danya Astria
2 years ago
Hiii may i know why the p value is 0.018745
PhysChemTutor
PhysChemTutor
2 years ago
I tail. Not two tails
PhysChemTutor
PhysChemTutor
2 years ago
Either use p value or t statistic to make decision. Not both.