Questions
When tested, the lives (in hours) of 5 bulbs were noted as follows:
1357,1090, 1666, 1494, 1623
The mean deviation (in hours) from their mean is
a
178
b
179
c
220
d
356
detailed solution
Correct option is A
The lives of 5 bulbs are: 1357,1090, 1666, 1494, 1623 Mean (x¯)=1357+1090+1666+1494+16235=72305=1446 M.D. =ΣdiN=8905=178Talk to our academic expert!
Similar Questions
Following are the marks obtained by 9 students in a mathematics test:
50, 69,20,33, 53,39, 40, 65, 59
The mean deviation from the median is
799 666 8865
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