62 Is honey a cough remedy? Refer to the Archives of Pediatrics and Adolescent Medicine (Dec. 2007) study of honey as a remedy for coughing, Exercise 32 . Recall that the 105 ill children in the sample were randomly divided into three groups: those who received a dosage of an overthe-

counter cough medicine (DM), those who received a dosage of honey (H), and those who received no dosage

(control group). The coughing improvement scores (saved in the HONEYCOUGH file) for the patients are reproduced in the next table.

a. Find the median improvement score for the honey dosage group.

b. Find the median improvement score for the DM dosage group.

c. Find the median improvement score for the control group.

d. Based on the results, parts a–c , what conclusions can pediatric researchers draw? (We show how to support these conclusions with a measure of reliability in subsequent chapters.)

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Honey 12 11 15 11 10 13 10 4 15 16 9 Dosage: 14 10 6 10 8 11 12 12 8 12 9 11 15 10 15 15 9 13 8 12 10 8 9 5 12 DM 46 Dosage: 6 3 12 13 7 10 13 146 9 47 7 7 9 12 10 11 4 9 12 7 6 8 12 12 4 9 4 4 10 15 9 No Dosage 5 8 610 8 12 (Control): 6 7 7 12 7 9 7 56 8 8 6 7 10 9 668 7 7 1 5 11 9 487 3 1 4 3 Based on Paul, I. M., et al. "Effect of honey, dextromethorphan, and no treatment on nocturnal cough and sleep quality for coughing children and their parents." Archives of Pediatrics and Adolescent Medicine, Vol. 161, No. 12, Dec. 2007 (data simulated).