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Which function in R language is used to find out whether the means of 2 groups are equal to each other or not?

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Which function in R language is used to find out whether the means of 2 groups are equal to each other or not? (a) f.tests () (b) l.tests () (c) t.tests () (d) not exist I have been asked this question in final exam. This interesting question is from Functions topic in portion Control Structures, Functions, Scoping Rules, Loop Functions and Debugging of R Programming Select the correct answer from above options

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The correct choice is (c) t.tests () To explain I would say: t.tests () function in R language is used to find out whether the means of 2 groups are equal to each other. It is not used most commonly in R. It is used in some specific conditions.

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