Preliminary Data Analyses Indicate That It Is Reasonable to Consider $\text { Use } \alpha = 0.05$

question 57

Essay

Preliminary data analyses indicate that it is reasonable to consider the assumptions for one-way ANOVA satisfied.Perform the required hypothesis test using the critical-value approach.
-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, each subject's blood pressure is recorded. Test the claim that there is no difference among the means. $\text { Use } \alpha = 0.05$

---

Definitions:

Cones

Photoreceptor cells in the retina of the eye which function best in bright light and are responsible for color vision and high spatial acuity.

Retina

The light-sensitive layer of tissue at the back of the inner eye that converts light into neural signals.

Brightness

The perception of how luminous an object appears, influenced by the lighting conditions and the object's reflectiveness.

Physical Characteristics

The observable attributes or features of an organism, including traits such as height, eye color, and body type.