Mathematics · Averages
A class is divided into five groups. The first group contains 25% of the class, the second group contains 20%, the third group contains 30%, the fourth group contains 10%, and the remaining students are in the fifth group. The average heights of these groups are 158 cm, 162 cm, 165 cm, 172 cm, and 160 cm, respectively. What is the average height of the students in the class?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1168.2 cm
- 2163.5 cm
- 3165.5 cm
- 4162.6 cm✓
Correct answer
162.6 cm
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