Elementary Statistics

Brrrr…It’s Cold! 1 Copyright © 2026 Pearson Education, Inc. Brrrr…It’s Cold! It can get very cold during the winter months in some regions! During these times, fuel consumption across the country increases as homes use energy to produce heat. One source of this energy is natural gas. In order to supply sufficient natural gas to fuel an area’s homes, energy companies track how much gas they need to deliver depending on the weather. The table shows data collected by a natural gas company for the total volume of natural gas delivered in a community on different days. Gas Usage in Winter Temperature (˚F) Gas Usage (million therms) Temperature (˚F) Gas Usage (million therms) Temperature (˚F) Gas Usage (million therms) 59 0.295 52 0.370 61 0.184 49 0.612 21 1.153 34 1.181 26 1.474 62 0.168 46 0.734 15 1.782 16 1.765 45 0.766 20 1.155 49 1.995 64 0.062 54 0.419 17 1.189 58 0.216 1. Plot the data collected by the company. Then draw a line of best fit for the data.

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