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Standard Deviation Problems

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Standard Deviation Problems  [#permalink]

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New post 02 Jul 2014, 06:09
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Standard Deviation problems


!
This post is a part of the Special Questions Directory focusing on Quant topics traditionally neglected and not covered by conventional sources but still tested on the GMAT. Many of these are above average difficulty questions

Though this type of questions are a part of Statistics and Sets problems collected HERE (DS) and HERE (PS), thought it would be helpful to sort out standard deviation questions from these collections.

PS:


m03-72087.html
m11-72303.html
the-residents-of-town-x-participated-in-a-survey-83362.html
set-s-consists-of-positive-numbers-if-1-is-added-151019.html
a-certain-list-of-200-test-scores-has-an-average-131448.html
a-set-of-data-consists-of-the-following-5-numbers-47858.html
if-j-k-m-n-and-p-are-consecutive-positive-integers-172294.html
set-a-consists-of-all-even-integers-between-2-and-110876.html
set-q-consists-of-n-integers-of-which-the-standard-155781.html
the-list-shown-consist-of-the-times-in-seconds-that-it-50908.html
if-m-is-a-negative-integer-and-k-is-a-positive-integer-126819.html
e-is-a-collection-of-four-odd-integers-and-the-greatest-99774.html
if-a-certain-sample-of-data-has-a-mean-of-20-0-and-a-130542.html
if-a-certain-sample-of-data-has-a-mean-of-20-0-and-a-127810.html
which-of-the-following-sets-has-the-standard-deviation-131485.html
if-d-is-the-standard-deviation-x-y-and-z-what-is-the-stan-93979.html
the-arithmetic-mean-and-standard-deviation-of-a-certain-129117.html
the-standard-deviation-of-a-normal-distribution-of-data-is-99221.html
which-of-the-following-triples-of-numbers-have-the-same-162530.html
a-certain-list-of-100-data-has-an-average-arithmetic-mean-87743.html
m-is-a-certain-set-of-numbers-with-an-average-arithmetic-174564.html
a-data-set-with-a-mean-of-60-has-a-standard-deviation-of-165493.html
a-certain-list-has-an-average-of-6-and-a-standard-deviation-97473.html
a-researcher-investigating-mosquito-populations-recorded-a-159754.html
the-table-shows-the-number-of-calls-received-by-each-of-five-65542.html
arithmetic-mean-and-standard-deviation-of-a-certain-normal-104117.html
set-x-consists-of-100-numbers-the-average-arithmetic-mean-103536.html
a-certain-set-of-numbers-has-an-average-arithmetic-mean-of-161986.html
a-vending-machine-is-designed-to-dispense-8-ounces-of-coffee-93351.html
the-median-annual-household-income-in-a-certain-community-of-65932.html
set-a-consists-of-all-prime-numbers-between-10-and-25-set-b-110874.html
if-a-certain-sample-of-data-has-a-mean-of-24-0-and-the-value-171843.html
for-a-certain-exam-a-score-of-58-was-2-standard-deviations-b-128661.html
the-mean-and-the-standard-deviation-of-the-8-numbers-shown-98248.html
70-75-80-85-90-105-105-130-130-130-the-list-shown-consist-of-100361.html
set-s-has-a-mean-of-10-and-a-standard-deviation-of-1-5-we-are-going-194028.html
consider-the-following-sets-l-3-4-5-5-6-7-m-194029.html
the-list-above-shows-the-scores-of-10-schoolchildren-on-a-certain-test-193102.html
which-of-the-following-correctly-lists-the-data-sets-in-order-of-least-190680.html
which-of-the-following-pairs-of-numbers-when-added-to-the-set-above-200345.html

DS:


new-ds-set-150653-60.html#p1211907 (700+)
let-s-be-a-finite-set-of-consecutive-multiples-of-155075.html
the-median-height-of-the-5-children-in-family-a-is-168564.html
a-certain-characteristic-in-a-large-population-has-a-143982.html
list-m-not-shown-consists-of-8-different-integers-each-140777.html
what-is-sd-of-given-set-of-numbers-whose-average-is-104000.html
list-s-and-list-t-each-contain-5-positive-integers-and-for-34473.html
there-is-a-set-of-consecutive-even-integers-what-is-the-98877.html
is-the-standard-deviation-of-the-salaries-of-company-y-s-51970.html
if-x-is-an-integer-how-many-even-numbers-does-set-0-x-106848.html
each-term-of-set-t-is-a-multiple-of-5-is-standard-deviation-83521.html
set-a-consists-of-five-different-numbers-set-b-consists-of-155868.html
if-q-is-a-set-of-consecutive-integers-what-is-the-standard-151794.html
a-set-of-data-consists-of-4-integers-what-is-the-standard-128769.html
in-the-last-two-years-each-of-jeremy-s-six-children-grew-in-130614.html
set-t-consists-of-a-certain-number-of-even-integers-divisibl-160327.html
website-w-receives-orders-for-its-products-every-day-what-161238.html
the-lifetime-of-all-the-batteries-produced-by-a-certain-comp-101472.html
a-scientist-recorded-the-number-of-eggs-in-each-of-10-birds-138736.html
is-the-standard-deviation-of-the-set-of-measurements-x1-x2-134896.html (OG)
during-an-experiment-some-water-was-removed-from-each-of-94166.html
is-the-standard-deviation-of-the-numbers-x-y-and-z-equal-to-145906.html
given-that-the-mean-of-set-a-is-10-what-is-the-range-of-two-141964.html
a-store-received-7-crates-of-oranges-what-was-the-standard-161159.html
the-department-of-environmental-protection-measured-the-volu-171430.html
a-researcher-computed-the-mean-the-median-and-the-standard-134893.html
is-the-standard-deviation-of-set-q-equal-to-175524.html
the-average-of-several-test-scores-is-80-after-that-average-was-calcu-193081.html
what-is-the-mean-of-the-exams-taken-by-a-group-of-students-192727.html
which-data-set-has-the-greater-standard-deviation-data-set-k-or-data-193817.html
what-is-the-mean-of-the-exams-taken-by-a-group-of-students-192727.html
what-is-the-difference-between-the-standard-deviation-of-two-five-memb-191347.html
what-is-the-standard-deviation-of-the-terms-in-set-s-189145.html

Theory on Statistics and Sets problems: math-standard-deviation-87905.html

All DS Statistics and Sets problems to practice: search.php?search_id=tag&tag_id=34
All PS Statistics and Sets problems to practice: search.php?search_id=tag&tag_id=55

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Re: Standard Deviation Problems  [#permalink]

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New post 16 Mar 2015, 07:24
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Re: Standard Deviation Problems  [#permalink]

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New post 14 Jun 2019, 10:19
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Standard Deviation Problems   [#permalink] 14 Jun 2019, 10:19
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