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10 Nov 2025, 09:21
Kudos
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C
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Difficulty:
55%
(hard)
Question Stats:
29% (00:22) correct
71%
(01:10)
wrong
based on 7
sessions
History
Date
Time
Result
Not Attempted Yet
There are many products. Is the standard deviation of their prices less than $40?
1. The median price of the products is $100.
2. The range of the prices is $70.
1. The median price of the products is $100.
2. The range of the prices is $70.
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13 Nov 2025, 06:51
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Can someone explain why it is C, and not E, and please correct me if i am wrong
My reasoning for choosing E: if we have a case where median is 100 and the range is 30 for the first value and 100 for the highest value, we dont know how many numbers are there, there can be numbers such as 30,100,100, so median is also 100 and the standard deviation is more than 40, or it can be 70,100,140, where median is 100, but standard deviation is in deed less then 40 so it is insufficient because we have a case where it is correct and where it isnt.
My reasoning for choosing E: if we have a case where median is 100 and the range is 30 for the first value and 100 for the highest value, we dont know how many numbers are there, there can be numbers such as 30,100,100, so median is also 100 and the standard deviation is more than 40, or it can be 70,100,140, where median is 100, but standard deviation is in deed less then 40 so it is insufficient because we have a case where it is correct and where it isnt.
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This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
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