Calculate and compare the variances

Reference no: EM13953213

The Data shown in Table E2.25 are from a study that compares adoles- cents who have bulimia to healthy adolescents with similar body com- positions and levels of physical activity. The table provides measures of daily caloric intake (kcal/kg) for random samples of 23 bulimic adoles- cents and 15 healthy ones.

TABLE E2.25

Bulimic Adolescents			Healthy Adolescents
15.9	17.0	18.9	30.6 40.8
16.0	17.6	19.6	25.7 37.4
16.5	28.7	21.5	25.3 37.1
18.9	28.0	24.1	24.5 30.6
18.4	25.6	23.6	20.7 33.2
18.1	25.2	22.9	22.4 33.7
30.9	25.1	21.6	23.1 36.6
29.2	24.5		23.8

(a) Calculate and compare the means.

(b) Calculate and compare the variances.

Reference no: EM13953213

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