A Researcher Is Interested in Determining If the Model Used

question 103

Multiple Choice

A researcher is interested in determining if the model used for the distribution of main economic concerns in the year 2003 for residents in a certain county can still be used in the year 2004.A sample of 370 residents from that county was surveyed in 2004.The following table displays the model for the distribution of economic concerns for the year 2003 and the observed number of sampled respondents in the survey for the same economic concerns for the year 2004. At the 5% significance level,which of the following statements represents the conclusion of this chi-square test under the null hypothesis that the model from the previous year can still be used?

• A)The test is inconclusive.
• B)There has been a significant change from the previous year.
• C)There has been no significant change from the previous year.

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Definitions:

Lifestyle Factors

Elements or habits in an individual's lifestyle that can impact their health and well-being, such as diet, exercise, and sleep patterns.

Unifying Theme

A central idea or concept that brings together various elements of a text, work of art, or theory.

Type B Personality

A personality type characterized by a laid-back, relaxed, and less competitive approach to life, as opposed to Type A personality.

Heart Disease

Various disorders impacting the heart, such as coronary artery disease, arrhythmias, and birth defects related to the heart's structure and functionality.