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# Which of the following would the data pattern shown above be

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Joined: 07 Jun 2014
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Which of the following would the data pattern shown above be [#permalink]  29 Jul 2018, 04:53
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Question Stats:

40% (01:20) correct 60% (00:39) wrong based on 5 sessions
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Which of the following would the data pattern shown above best describe?

(A) The number of grams of sugar in a selection of drinks is normally distributed.
(B) A number of male high school principals and a larger number of female high school principals have normally distributed salaries, distributed around the same mean.
(C) A number of students have normally distributed heights and a smaller number of taller, adult teachers also have normally distributed heights.
(D) The salary distribution for biologists skews to the left of the median.
(E) The maximum-weight bench presses for a number of male athletes are normally distributed and the maximum-weight bench presses for a smaller number of female athletes are also normally distributed, although around a smaller mean.
[Reveal] Spoiler: OA

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Re: Which of the following would the data pattern shown above be [#permalink]  11 Jan 2019, 08:40
sandy wrote:
Which of the following would the data pattern shown above best describe?

(A) The number of grams of sugar in a selection of drinks is normally distributed.
(B) A number of male high school principals and a larger number of female high school principals have normally distributed salaries, distributed around the same mean.
(C) A number of students have normally distributed heights and a smaller number of taller, adult teachers also have normally distributed heights.
(D) The salary distribution for biologists skews to the left of the median.
(E) The maximum-weight bench presses for a number of male athletes are normally distributed and the maximum-weight bench presses for a smaller number of female athletes are also normally distributed, although around a smaller mean.

GRE Prep Club Legend
Joined: 07 Jun 2014
Posts: 4810
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 118

Kudos [?]: 1899 [0], given: 397

Re: Which of the following would the data pattern shown above be [#permalink]  14 Jan 2019, 13:54
Expert's post
Sorry about that the image was missing fixed it!
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Sandy
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Kudos [?]: 602 [1] , given: 88

Re: Which of the following would the data pattern shown above be [#permalink]  15 Jan 2019, 08:50
1
KUDOS
A) There are two bell shaped curve and normal distribution has a single bell shaped curve hence False
B)Though avg salary for two groups could be distributed normally they are not centered around the same mean or else the two bell shaped curve would occur at the same place hence False
C) The graph does show two bell shaped curve so it could be the case that there are two groups of different number of people each normally distributed
D)The graph shows that there might be two types of data that is normally distributed but if it is a case of a single set of data then the graph is not normally distributed and more importantly we do not know what is the mean so we cannot make assumptions about where the data is skewed hence False
E)Though the option mentions that two set of data are normally distributed, the smaller data set rather will have a higher mean than the large set of data hence False

From POE C is the best option.
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Re: Which of the following would the data pattern shown above be   [#permalink] 15 Jan 2019, 08:50
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