* Testing Homogeneity of Proportions, One-Way ANOVA;

data operate;



treat   hosp$   severity$    wt

-------------------------------

  1       a         N        23

  1       a         S         7

  1       a         M         2

  1       b         N        18

  1       b         S         6

  1       b         M         1

  1       c         N         8

  1       c         S         6

  1       c         M         3

  1       d         N        12

  1       d         S         9

  1       d         M         1

  2       a         N        23

  2       a         S        10

  2       a         M         5

  2       b         N        18

  2       b         S         6

  2       b         M         2

  2       c         N        12

  2       c         S         4

  2       c         M         4

  2       d         N        15

  2       d         S         3

  2       d         M         2

  3       a         N        20

  3       a         S        13

  3       a         M         5

  3       b         N        13

  3       b         S        13

  3       b         M         2

  3       c         N        11

  3       c         S         6

  3       c         M         2

  3       d         N        14

  3       d         S         8

  3       d         M         3

  4       a         N        24

  4       a         S        10

  4       a         M         6

  4       b         N         9

  4       b         S        15

  4       b         M         2

  4       c         N         7

  4       c         S         7

  4       c         M         4

  4       d         N        13

  4       d         S         6

  4       d         M         4