Question:medium
If the mean of a set of observations \( x_1, x_2, ..., x_{10} \) is 20, then the mean of \( x_1+4, x_2+8, x_3+12, ..., x_{10}+40 \) is
If the mean of a set of observations \( x_1, x_2, ..., x_{10} \) is 20, then the mean of \( x_1+4, x_2+8, x_3+12, ..., x_{10}+40 \) is
Show Hint
Adding different constants requires summing them separately.
Updated On: May 1, 2026
- \( 34 \)
- \( 32 \)
- \( 42 \)
- \( 38 \)
- \( 40 \)
Show Solution
The Correct Option is C
Solution and Explanation
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