Use Computer Software to Find the Best Multiple Regression Equation $X _ { 1 } , X _ { 2 } , X _ { 3 }$

question 50

Multiple Choice

Use computer software to find the best multiple regression equation to explain the variation in the dependent variable, Y, in terms of the independent variables, $X _ { 1 } , X _ { 2 } , X _ { 3 }$$\begin{array} { c c c c l } Y & X _ { 1 } & X _ { 2 } & X _ { 3 } & \\ 456 & 9896 & 29.1 & 1 & \\ 421 & 9680 & 42.3 & 2 & \\ 653 & 10449 & 29.8 & 3 & \\ 573 & 10811 & 26.0 & 4 & \text { CORRELATION COEFFICIENTS } \\ 546 & 10014 & 34.3 & 5 & \\ 499 & 10293 & 22.7 & 6 & Y / X _ { 1 } = 0.509 \\ 504 & 9413 & 24.2 & 7 & Y / X _ { 2 } = 0.280 \\ 611 & 9860 & 31.6 & 8 & Y / X _ { 3 } = 0.930 \\ 646 & 9782 & 25.6 & 9 & \\ 789 & 12139 & 37.9 & 10 & \text { COEFFICIENTS OF DETERMINATION } \\ 773 & 12166 & 33.9 & 11 & \\ 753 & 9976 & 37.4 & 12 & \text { YI } X _ { 1 } = 0.259 \\ 852 & 10645 & 27.0 & 13 & Y / X _ { 2 } = 0.079 \\ 755 & 9738 & 31.5 & 14 & Y / X _ { 3 } = 0.864 \\ 815 & 9933 & 39.9 & 15 & Y / X _ { 1 } , X _ { 3 } = 0.880 \\ 902 & 10132 & 25.3 & 16 & Y / X _ { 1 } , X _ { 2 } , X _ { 3 } = 0.884 \\ 986 & 11145 & 30.4 & 17 & \\ 909 & 9775 & 32.7 & 18 & \\ 945 & 9549 & 35.0 & 19 & \\ 866 & 10077 & 33.8 & 20 & \\ 1178 & 11550 & 29.4 & 21 & \\ 1230 & 10600 & 37.1 & 22 & \\ 1207 & 11280 & 42.9 & 23 & \\ 968 & 12100 & 32.2 & 24 & \\ 1118 & 12420 & 30.5 & 25 & \end{array}$

• A) \(\hat { Y } = 57.8 + 0.036 X _ { 1 } + 28.1 X _ { 3 }\)
• B) \(\hat { Y } = - 21.1 + 0.36 X _ { 1 } + 2.62 X _ { 2 } + 27.6 X _ { 3 }\)
• C) \(\hat { Y } = 201.7 + 0.40 X _ { 1 } + 22.3 X _ { 3 }\)
• D) \(\hat { Y } = 308.6 + 29.9 X _ { 3 }\)

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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Definitions:

Clinically Significant

An observation or datum that is significant enough to warrant attention in a clinical setting, often indicating a variation from normal.

Syndrome

A group of symptoms that consistently occur together or a condition characterized by a set of associated symptoms.

Trauma

A deeply distressing or disturbing experience, which can lead to psychological issues such as post-traumatic stress disorder (PTSD).

Biopsychosocial Approach

A holistic perspective that suggests that biological, psychological, and social factors all play a significant role in human functioning in the context of disease or illness.