Mathematics · Arithmetic Mean
The arithmetic mean of data with observations a, a + d, a + 2 d, ....., a + 2md is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a + 12(m + 1)d
- 2a + 12md
- 3a + (m - 1)d
- 4a + md✓
Correct answer
a + md
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