Homework 2 Stat 220 - Homework 2 Dr Lee D Witt Email...

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Homework 2 Dr. Lee D. Witt Email: [email protected] Due Thursday, October 1, 2015 Instructions This is due by the start of class Thursday, October 1, 2105 You have until 6:00 p.m. Tuesday, September 29, to submit early work for my review Your submitted work Must be a Word document Must be written in Times New Roman 12 pt - 2 points will be deducted if this is not done Must have tables you include from Minitab must be formatted as discussed and demonstrated in class - 3 points will be deducted for each table that is not formatted Must be written in complete sentences Do not include anything from this document - simply type your answers, using complete sentences Format all Minitab graphs to 60% of their original size Work alone Emailed files will not be reviewed or graded - submit work through Blackboard If you will be gone on the due date you must have this submitted before the due date - late submissions are not accepted
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Homework 2 Fall 2015 Questions The first few questions do not require Minitab but do require some short calculations. All work must be shown in order to receive credit for these problems. 1. Natural Gas Company supplies natural gas to local town, but the demand varies from month to month. Executives at the company have hired a consultant to analyze demand and develop a simple regression model that can be used to predict the average amount of natural gas the city will need per month (in millions of cubic feet). The consultant has determined that demand is most strongly related to average monthly temperature (in F). Some relevant summary statistics are shown in Table 1 . All of the temperature
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