The Logic Behind the Mann-Whitney U Test Is That If

question 46

True/False

The logic behind the Mann-Whitney U test is that if the hypothesis is true that the populations have equal central locations, then the sum of the ranks from each population will be approximately equal.

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Definitions:

Acetals

Chemical compounds formed from the reaction between an aldehyde or ketone and a diol, featuring two ether-like oxygen atoms bonded to the same carbon.

PhLi

Phenyllithium, a strong organolithium reagent used in the formation of carbon-carbon bonds in organic synthesis.

NaBH

Likely refers to a sodium borohydride compound, NaBH4, used as a reducing agent in organic chemistry.

MgBr

Likely a shorthand for a magnesium bromide compound, which can act as a Grignard reagent in organic synthesis.