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# A list of numbers 'L' has 5 integers not necessarily distinct. Is the

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Joined: 22 Aug 2013
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A list of numbers 'L' has 5 integers not necessarily distinct. Is the  [#permalink]

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22 Jan 2019, 22:47
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Difficulty:

65% (hard)

Question Stats:

55% (01:29) correct 45% (01:21) wrong based on 27 sessions

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A list of numbers 'L' has 5 integers not necessarily distinct. Is the mode of the numbers in L same as the range of numbers in L?

(1) Standard deviation of the numbers in L is 0.

(2) At least one number in L is 0.
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Re: A list of numbers 'L' has 5 integers not necessarily distinct. Is the  [#permalink]

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22 Jan 2019, 22:55
amanvermagmat wrote:
A list of numbers 'L' has 5 integers not necessarily distinct. Is the mode of the numbers in L same as the range of numbers in L?

(1) Standard deviation of the numbers in L is 0.

(2) At least one number in L is 0.

5 integers not necessarily distinct

is Mode = Range ??

Statement 1) SD is 0

1,1,1,1,1

SD=0, but Mode = 1, Range = 0, Answer to the question is No

0,0,0,0,0

SD=0, but Mode = 0, Range = 0, Answer to the question is Yes

Statement 2) At least one number in L is 0

this does't help.

Combine

0,0,0,0,0

SD=0, but Mode = 0, Range = 0, Answer to the question is Yes

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Re: A list of numbers 'L' has 5 integers not necessarily distinct. Is the  [#permalink]

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23 Jan 2019, 04:03
amanvermagmat wrote:
A list of numbers 'L' has 5 integers not necessarily distinct. Is the mode of the numbers in L same as the range of numbers in L?

(1) Standard deviation of the numbers in L is 0.

(2) At least one number in L is 0.

#1
SD can be 0 ; if the mean of the set is same as other integers
eg 1,1,1,1,1 or 0,0,0,0,0 so in sufficeint
as the mode and range of set wont be same in both cases

#2
one no being 0 wont suffice the relation of getting the mode same as range

from1 & 2
for set which has 0,0,0,0,0 would be correct
IMO C
Re: A list of numbers 'L' has 5 integers not necessarily distinct. Is the   [#permalink] 23 Jan 2019, 04:03
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