SCENARIO 18-6 a Weight-Loss Clinic Wants to Use Regression Analysis

question 320

Multiple Choice

SCENARIO 18-6 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) = Length of time in weight-loss program (in months) = 1 if morning session, 0 if not = 1 if afternoon session, 0 if not (Base level = evening session) Data for 12 clients on a weight-loss program at the clinic were collected and used to fit the interaction model: Partial output from Microsoft Excel follows:
-Referring to Scenario 18-6, in terms of the in the model, give the mean change in weight-loss (Y) for every 1 month increase in time in the program ( when attending the afternoon session.

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Definitions:

Machine-Hours

A measure of the amount of time a machine is operated, typically used in manufacturing to determine production costs or capacity.

Predetermined Overhead Rate

A rate determined prior to the start of a period, designed for assigning anticipated overhead expenses to products or job orders, utilizing a selected activity basis for calculation.

Manufacturing Overhead

Costs in the manufacturing process that are not direct labor or materials.

Direct Labor-Hours

A measure of the labor directly involved in manufacturing a product, expressed in hours.