Statistics: Ch 9 Hypothesis Testing (19 of 35) Comparing Sample Mean to Test Statistics: Part 3

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We will compare how we determine if we should reject or accept the null hypothesis based on looking at the mean or the test statistics. We will compare the two to see the significance of one vs the other. We will use the example of the average size of a water polo player is 100kg with a standard deviation of 5kg. We are going to start with a sample sizes of n=9 and n=36, and a sample mean=102. (Part 3)

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[dlrmfemilianolako]

Professor, your explanation yesterday was fantastic . Also thank you for answering my question ( hubble constant, speed of light, conditions for black hole on earth and parallel worlds ) 😉😉😉😉😉

[dlrmfemilianolako]

Hello professor ! I have a question .
Sorry for bothering you but this is the last question that i will ask you about the bachelor that i will continue .
I want to become a biomedical engineer ( i will do as a master degree ) .
Is it the right choice if i do electrical engineering with electronic profile ( in bachelor )and then do biomed engineering ?
Does this electronic bachelor will give me a solid foundation ?

[jakubkusmierczak]

Mr. Professor someone said that t statistic is being used for n <10, if n>10 then z statistic, is that true?