Question
Find the numberof observation lying between $\overline{\text{X}}-\text{M.D. }$and $\overline{\text{X}}-\text{M.D. }$ is the mean deviation from the mean.
$34, 66, 30, 38, 44, 50, 40, 60, 42, 51$
$34, 66, 30, 38, 44, 50, 40, 60, 42, 51$
|
$x_i$
|
$|d_i| = |x_i - 45.5|$
|
|
$34$
|
$11.5$
|
|
$66$
|
$20.5$
|
|
$30$
|
$15.5$
|
|
$38$
|
$7.5$
|
|
$44$
|
$1.5$
|
|
$50$
|
$4.5$
|
|
$40$
|
$5.5$
|
|
$60$
|
$14.5$
|
|
$42$
|
$3.5$
|
|
$51$
|
$5.5$
|
|
Total
|
$90$
|
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
(b)one is a club and the other is a diamond.
(c)both are from the same suit.
(d)both are red cards.
(e)one is a heart card and the other is a non-heart card.