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Exercise 15

Avg difficulty 2.5

The following table is from a sample of five hundred homes in Oregon that were asked the primary source of heating in their home.

  1. How many of the households heat their home with firewood?

  2. What percent of households heat their home with natural gas?

Type of HeatRelative Frequency (%)
Electricity33
Heating Oil4
Natural Gas50
Firewood8
Other5

Lee et al., Math in Society, §3.2 Describing Data, Exercise 15

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Adapted from Math in Society © 2018–2024 Portland Community College Math Instructors. Licensed under CC BY-SA 4.0. Source: Math in Society. Imported at revision 68ee43c.