You are interested in using linear regression David @The Saylor Business

Question 150 / 187: You are interested in using linear regression to test whether the number of minutes spent under a sunlamp help improve symptoms of Seasonal Affective Disorder (SAD). From a sample of 100 residents of the Seattle, Washington area, you estimate linear regression model with SAD as the dependent variable (based on a rating system where the rating increases as mood improves) and SUNLAMP as the independent variable. You estimate the slope to equal 1.5. Choose the best interpretation of this evidence.

A For every minute spent under the sun lamp, the SAD rating increases by 1.5 units.

B For every minute spent under the sun lamp, the SAD rating decreases by 1.5 units.

C For every minute spent under the sun lamp, the SAD rating does not change.

D For every 1.5 unit increase in the SAD rating, the number of minutes spent under the sunlamp
increase by 1.5 minutes.

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https://www.jobilize.com/business-statistics-by-david-bourgeois-bharatendra-rai

Business Statistics

Author:

David BourgeoisLecturer

The Saylor Academy

USA

Access: Public Instant Grading

Attribution: David T. Bourgeois, PhD; Bharatendra K. Rai, PhD. Business Statistics. The Saylor Academy 2014, http://www.saylor.org/courses/bus204/

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