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09 Feb 2009, 00:11
Kudos
Bookmarks
Pls explain ur answer
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Hi there,
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09 Feb 2009, 02:38
Kudos
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ritula
1 only
Total - 15
Average - 150K
median 130K
Median = 130K So for understanding we will divide the number 15 as
first 7 ---- 8 ---- last 7
8th house is 130K(since median)
to get the max. price of last 7 houses, letz take the price of first 7 house as 130K.
So total Sum = 15*150K
Sum of first 8 houses = 8*130K
So total - sum of first 8 = sum of last 7 and average will give avg. price if last 8
2250K - 1040K = 1210K/7 ~ 173.9K
which means aleast 1 house will cost more than 165K.
2) Atleast 1 house is sold b/w 130k and 150k,
well, certainly we can say that. But may or may not be.
from above explanation.. it can be said all last 7 houses can cost ~ 173.9K
3) atleast one house is sold for <130K
well, certainly we can say that. But may or may not be.
from above explanation.. it can be said all first 7 houses can cost 130K
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
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Thank you for understanding, and happy exploring!
