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The preceding dot plot shows the number of minutes 16 customers waited
[#permalink]
07 Nov 2021, 16:03
07 Nov 2021, 16:03
1
Expert Reply
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Question Stats:
45% (02:02) correct
54% (01:44) wrong based on 44 sessions
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Attachment:
GRE The preceding dot plot shows the number of minutes.jpg [ 28.68 KiB | Viewed 2241 times ]
The preceding dot plot shows the number of minutes 16 customers waited in line at a coffee shop.
Quantity A |
Quantity B |
The interquartile range of data |
The range of data divided by 2 |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
_________________
Re: The preceding dot plot shows the number of minutes 16 customers waited
[#permalink]
15 Nov 2021, 07:36
15 Nov 2021, 07:36
3
No of minutes for 16 customers are:
\(5, 5, 5, 6, 6, 8, 10, 10, 10, 10, 13, 13, 15, 15, 15, 19\)
Qt A
The Inter Quartile Range is called the mid-spread, middle \(50\)% (between \(25 - 75\) %tile).
Here the middle \(50\)% will be \(6, 6, 8, 10, 10, 10, 10, 13, 13, 15\)
Inter quartile Range \(= 15 - 6 = 9\)
Qt B
\(\frac{Range}{2} = \frac{19 - 5}{2} = 7\)
Qt A > Qt B
Answer A
_________________
\(5, 5, 5, 6, 6, 8, 10, 10, 10, 10, 13, 13, 15, 15, 15, 19\)
Qt A
The Inter Quartile Range is called the mid-spread, middle \(50\)% (between \(25 - 75\) %tile).
Here the middle \(50\)% will be \(6, 6, 8, 10, 10, 10, 10, 13, 13, 15\)
Inter quartile Range \(= 15 - 6 = 9\)
Qt B
\(\frac{Range}{2} = \frac{19 - 5}{2} = 7\)
Qt A > Qt B
Answer A
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Re: The preceding dot plot shows the number of minutes 16 customers waited
[#permalink]
21 Nov 2021, 05:04
21 Nov 2021, 05:04
1
Inter Quartile Range
how to calculate ?
how to calculate ?
Re: The preceding dot plot shows the number of minutes 16 customers waited
[#permalink]
23 Jan 2022, 02:38
23 Jan 2022, 02:38
Expert Reply
void wrote:
Inter Quartile Range
how to calculate ?
how to calculate ?
see here sir https://gre.myprepclub.com/forum/gre-box-a ... tml#p82943
_________________
Re: The preceding dot plot shows the number of minutes 16 customers waited
[#permalink]
30 Jul 2023, 14:14
30 Jul 2023, 14:14
2
rx10 wrote:
No of minutes for 16 customers are:
\(5, 5, 5, 6, 6, 8, 10, 10, 10, 10, 13, 13, 15, 15, 15, 19\)
Qt A
The Inter Quartile Range is called the mid-spread, middle \(50\)% (between \(25 - 75\) %tile).
Here the middle \(50\)% will be \(6, 6, 8, 10, 10, 10, 10, 13, 13, 15\)
Inter quartile Range \(= 15 - 6 = 9\)
Qt B
\(\frac{Range}{2} = \frac{19 - 5}{2} = 7\)
Qt A > Qt B
Answer A
\(5, 5, 5, 6, 6, 8, 10, 10, 10, 10, 13, 13, 15, 15, 15, 19\)
Qt A
The Inter Quartile Range is called the mid-spread, middle \(50\)% (between \(25 - 75\) %tile).
Here the middle \(50\)% will be \(6, 6, 8, 10, 10, 10, 10, 13, 13, 15\)
Inter quartile Range \(= 15 - 6 = 9\)
Qt B
\(\frac{Range}{2} = \frac{19 - 5}{2} = 7\)
Qt A > Qt B
Answer A
Position of Q3 = 12.75
Q3 = average of the 12th and 13th values in the ordered data:
Q3 = (13 + 15) / 2 = 14
Now, we have Q1 = 6 and Q3 = 14.
Step 4: Calculate the interquartile range (IQR):
IQR = Q3 - Q1
IQR = 14 - 6
IQR = 8
8>7
gmatclubot
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