my_t.test: T Test
In RuofengT/stat302package: Project 3 Stat 302

This function performs t test on given data

1	my_t.test(x, alternative, mu)

`x`	Numeric vector of data
`alternative`	A string specifying types of t test wanted, with choices "two.sided", "less" or "greater".
`mu`	a number indicating the null hypothesis.

a list including: the numeric test statistic, the degrees of freedom, the type of t test given, and the numeric p-value.

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my_t.test(my_gapminder$lifeExp, "two.sided", 60)
my_t.test(my_gapminder$lifeExp, "less", 60)
my_t.test(my_gapminder$lifeExp, "greater", 60)

RuofengT/stat302package documentation built on Dec. 18, 2021, 11:54 a.m.

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