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TABLE 14-11 A Weight-Loss Clinic Wants to Use Regression Analysis to Build

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TABLE 14-11
A weight-loss clinic wants to use regression analysis to build a model for weight loss of a client (measured in pounds).Two variables thought to affect weight loss are client's length of time on the weight-loss program and time of session.These variables are described below:
Y = Weight loss (in pounds)
X1 = Length of time in weight-loss program (in months)
X2 = 1 if morning session,0 if not
Data for 25 clients on a weight-loss program at the clinic were collected and used to fit the interaction model:
Y = β0 + β1X1 + β2X2 + β3X1X2 + ε
Output from Microsoft Excel follows: TABLE 14-11 A weight-loss clinic wants to use regression analysis to build a model for weight loss of a client (measured in pounds).Two variables thought to affect weight loss are client's length of time on the weight-loss program and time of session.These variables are described below: Y = Weight loss (in pounds) X<sub>1</sub><sub> </sub>= Length of time in weight-loss program (in months) X<sub>2</sub> = 1 if morning session,0 if not Data for 25 clients on a weight-loss program at the clinic were collected and used to fit the interaction model: Y = β<sub>0</sub> + β<sub>1</sub>X<sub>1</sub> + β<sub>2</sub>X<sub>2</sub> + β<sub>3</sub>X<sub>1</sub>X<sub>2</sub> + ε Output from Microsoft Excel follows:   -True or False: Referring to Table 14-11,the overall model for predicting weight loss (Y)is statistically significant at the 0.05 level.
-True or False: Referring to Table 14-11,the overall model for predicting weight loss (Y)is statistically significant at the 0.05 level.


Definitions:

Kohlberg

A theorist known for his work on moral development, particularly the stages of moral reasoning.

Preconventional

The first level of Kohlberg's stages of moral development, where an individual's moral reasoning is based primarily on the consequences of actions and compliance with rules to avoid punishment or gain rewards.

Moral Development

The process through which individuals develop proper attitudes and behaviors toward other people in society, based on social and cultural norms, rules, and laws.

Postconventional Level

A stage of moral development in which individuals' moral reasoning is based on internal principles, and societal rules are questioned rather than followed blindly.

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