A Medical Researcher Wishes to Try Three Different Techniques to Lower

question 16

Multiple Choice

A medical researcher wishes to try three different techniques to lower blood pressure of patients with high blood pressure. The subjects are randomly selected and assigned to one of three groups. Group 1 is given
Medication, Group 2 is given an exercise program, and Group 3 is assigned a diet program. At the end of six
Weeks, the reduction in each subjectʹs blood pressure is recorded. Use the Kruskal-Wallis test to find the test
Statistic H to test the claim that there is no difference in the distribution of the populations. $$\begin{array} { c | c | c } \text { Group 1 } & \text { Group 2 } & \text { Group 3 } \\\hline 13 & 10 & 8 \\14 & 7 & 14 \\11 & 4 & 6 \\17 & 5 & 10 \\15 & 6 & 11 \\10 & 2 & 6\end{array}$$

• A)10.187
• B)8.312
• C)6.813
• D)5.321

---

Definitions:

Boys And Girls

Refers to male and female children or adolescents collectively.

Standard Deviation

A measure of the amount of variation or dispersion from the average in a set of data points, representing how spread out the values are.

Larger Contract

A contract or agreement that is significant in terms of its scope, value, or both.

Smaller Contract

A contractual agreement of less magnitude or scope, often implying less complexity or fewer resources involved than in larger contracts.