Saved Bookmarks
| 1. |
The median of following frequency distribution is `{:(,"Class",,fi),(,60-70,,5),(,70-80,,15),(,80-90,,20),(,90-100,,30),(,100-110,,20),(,110-120,,8):}`A. 92B. 92.5C. 93D. 93.5 |
|
Answer» Correct Answer - C `{:(,Class,,fi,,C.f),(,60-70,,5,,5),(,70-80,,15,,20),(,80-90,,20,,40),(,90-100,,30,,70),(,100-110,,20,,90),(,110-120,,8,,98):}` `(N)/(2)=(98)/(2)=49`, Median class `rArr(90-100),` f = 30 `l=90, F=40, h=10` Median = `l+((N)/(2)-F)/("f")xxh` `=90+(49-40)/(30)xx10=93` |
|