If the mean of the observations a, a +6, a + 2, a + 8 and a + 4 is 11 find
(i) the value of 'a'
(ii) the median
Answers
Answered by
3
Answer:
it's 9
(x+x+2+x+4+x+6+x+8)/5=11
5x+20= 55
x+4=11
x=7
now,( 7+9+11)/3= 9
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Step-by-step explanation:
Answered by
3
Answer:a=7
Median=11
Step-by-step explanation:(5a+20)/5=11
a=7
Median =a+4=11
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