Questions
The mean and the SD of 1,2,3,4,5,6 are
a
72,3512
b
3, 3
c
72,3
d
3,3512
detailed solution
Correct option is A
Mean x¯=1+2+3+4+5+66=216=72SD=σ=1n∑i2 −(x¯)2 =16(1+4+9+16+25+36)−494 =916−494=182−14712=3512Talk to our academic expert!
Similar Questions
For (2n + 1) observations , and 0, where all x's are distinct, let SD and MD denote the standard deviation and median, respectively. Then which of the following is always true?
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