chalk.df: Chalk Data

Description Format


These data involve 11 laboratories and 2 brands of chalk. The laboratories tested the density of the chalk. The main interest was whether the different laboratories yielded the same density for the two different types of chalk.


A data frame with 66 observations on 3 variables.

[,1] Density numeric Density of the chalk
[,2] Lab integer Laboratory where testing done
[,3] Chalk factor Chalk tested (A, B)

s20x documentation built on Aug. 23, 2021, 9:15 a.m.

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