A Medical Researcher Wishes to Try Three Different Techniques to Lower

question 40

Multiple Choice

A medical researcher wishes to try three different techniques to lower cholesterol levels of patients with highcholesterol levels. The subjects are randomly selected and assigned to one of three groups. Group 1 is givenmedication, Group 2 is given an exercise program, and Group 3 is assigned a diet program. At the end of sixweeks, each subjectʹs cholesterol level is recorded. Use α = 0.05. Which of the following is a correct statementabout the means? $$\begin{array} { c c c } \hline \text { Group 1 } & \text { Group 2 } & \text { Group 3 } \\\hline 13 & 8 & 6 \\12 & 5 & 12 \\9 & 2 & 4 \\15 & 3 & 4 \\11 & 4 & 9 \\8 & 0 & 8 \\\hline\end{array}$$

• A) The mean of Group 1 is not equal to the mean of Group 2.
• B) The mean of Group 1 is not equal to the mean of Group 3.
• C) The mean of Group 2 is not equal to the mean of Group 3.
• D) All of the means are not equal.

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Definitions:

Naturalist Intelligence

The ability to recognize, categorize, and draw upon certain features of the environment.

Howard Gardner

An American developmental psychologist known for his theory of multiple intelligences, which suggests that intelligence is multifaceted and unique to each individual.

Bodily-kinesthetic

The intelligence that involves the capacity to manipulate objects and use a variety of physical skills efficiently, often related to physical movement and coordination.

Musical

Relating to music; having the ability or quality to create, perform, or appreciate music.