Data Set for CHAPTER 2

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Insulation in a house is frequently measured using R-Values. This shows the thickness of the insulation material in inches as a function of the R-Value, in this case of Nature Guard insulation. From the pamphlet "Do It Yourself—Nature Guard Insulation" published by Louisiana-Pacific, available from Home Depot.

[image of rvalue.dta]
1st col 2nd col
11 3.5
13 4.1
19 6.0
24 7.6
30 9.5
32 10.1
38 12.0
40 12.6