Description Usage Format Source References Examples

Data for Exercise 9.24, Example 9.1, and Example 9.6

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A data frame/tibble with 51 observations on four variables

- state
a factor with levels

`Conn`

,`D.C.`

,`Del`

,`Ga`

,`Hawaii`

,`Ind`

,`Maine`

,`Mass`

,`Md`

,`N.C.`

,`N.H.`

,`N.J.`

,`N.Y.`

,`Ore`

,`Pa`

,`R.I.`

,`S.C.`

,`Va`

, and`Vt`

- sat_math
SAT math scores for high school seniors

- profic
math proficiency scores for eigth graders

- group
a numeric vector

National Assessment of Educational Progress and The College Board.

Kitchens, L. J. (2003) *Basic Statistics and Data Analysis*.
Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

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