Question

2.4.68

A study was done of honey as a remedy for coughing. The coughing improvement scores​ (as determined by the​ children's parents) for the patients in the​ over-the-counter cough medicine dosage​ (DM) group, honey dosage​ group, and control group are reproduced in the accompanying table. Complete parts a through d below.

LOADING...

Click the icon to view the table of coughing improvement scores.

a. Find the standard deviation of the improvement scores for the honey dosage group.

The standard deviation of the improvement scores for the honey dosage group is

nothing

.

​(Round to three decimal places as​ needed.)

Honey Dosage: 15, 6, 14, 13, 6,9, 6,15,12

11,5,14,13,12,7,10,13,10

11,12,5,8,10,6,8

DM Dosage: 4,12,11,13,11,13,6,9,6

12,13,9,6,7,11,10,6,7

13,7

No Dosage (Control): 7,9,1,2,7,8,9,8,9

8,8,8,8,10,9,8

Answer 1

From the given information,

Using calculator,

The required Standard deviation of the improvement scores for the honey dosage group is given by,

Standard deviation= 3.193

Thank you.