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Hardness of bamboo flooring

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Keywords:
Categories:

science and engineering;
designed experiments, one- and two-sample data

Description:

The data give the Janka hardness of bamboo flooring (provided by Bamboo Flooring Austraia Pty Ltd). Five samples were provided by Bamboo Flooring, and two tests were conducted on each sample.

There are 10 observations on three variables.

Variables:
Sample Which sample of bamboo flooring was used; one of 1, 2, 3, 4 or 5.
Test Which test the measurement was made on. One of 1 or 2.
Hardness The Janka hardness measurement
Data Quality:

There are no missing values.

Source:

Gerber, Stefan (2004). Material Properties of Bamboo Flooring, Compliance Report 2-04, for Bamboo Flooring Pty Ltd. Queensland Department of Primary Industries.

Notes:

The second test never reports a higher hardness than the first measurement. Is this statistically significant?

References: