;;; $Id: BHH152-4.lsp,v 1.1 1994/01/28 18:15:09 bates Exp $
;;; Data for problem 4, page 152 of Box, Hunter, and Hunter,
;;; "Statistics for Experimenters" (Wiley, 1978)

;;; Data are the fuel consumption (miles per gallon) for samples
;;; of cars from 1965 and from 1975

(def mpg-65
     '(17.74 12.17 12.22 13.89 16.47
       15.88 16.10 16.74 17.54 17.43
       14.57 12.90 12.81 14.95 16.25
       17.13 14.46 14.20 16.90 11.34
       12.57 13.15 16.53 13.60 13.34
       
       13.67 14.23 15.81 16.63 11.40
       14.94 13.66  9.79 13.08 14.57
       14.93 14.01 14.43 16.35 15.65
       11.52 17.46 14.67 15.92 16.02
       13.46 13.70 14.98 14.57 15.72))

(def mpg-75
     '(24.57 24.79 22.21 25.84 25.35
       22.19 24.37 21.32 22.74 23.38
       25.10 28.03 29.09 29.34 24.41
       25.12 25.27 27.46 27.65 27.95
       21.67 22.15 24.36 26.32 24.05

       28.27 26.57 26.10 24.35 30.04
       25.18 27.42 24.50 23.21 25.10
       23.59 26.98 22.64 25.27 25.84
       27.18 24.69 26.35 23.05 23.37
       25.46 28.84 22.14 25.42 21.76))

;; A list of these two samples, as defined below, can be used to
;; create comparative boxplots, etc.

(def mpg (list mpg-65 mpg-75))