question 4
Multiple Choice
Thane Company is interested in establishing the relationship between electricity costs and machine hours. Data have been collected and a regression analysis prepared using Excel. The monthly data and the regression output follow:
Month January February March April May June July August September October November December Machine Hours2,5002,9001,9003,1003,8003,3004,1003,5002,0003,7004,7004,200Electricity Costs$18,40021,00013,50023,00028,25022,00024,75022,75015,50026,00031,00027,750
Summary Output Regression Statistics Multiple R R Squuare Adjusted R 2 Standard Error Observations 0.9650.9320.9251,425.1812.00
Intercept Machine Hours Coefficients 3,726.885.77 Standard Error 1,682.820.49 t Stat 2.2111.7 P-value 0.050.00 Lower 95%(22.69) 4.67 Upper 95%7,476.456.87
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Based on the results of the high-low analysis, the estimate of electricity costs in a month with 2,200 machine hours would be:
Definitions:
Seasonal Affective Disorder (SAD)
A type of depression that occurs at a specific time of year, usually in winter.
Attention Deficit Hyperactivity Disorder (ADHD)
A neurodevelopmental disorder characterized by problems with focus, hyperactivity, and impulsiveness that are not appropriate for a person's age.
Factitious Disorder
A mental disorder wherein a person acts as if they have an illness by deliberately producing, feigning, or exaggerating symptoms.
Psychosis
A mental health disorder characterized by a disconnection from reality, which may include delusions, hallucinations, and disordered thinking.