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The preceding stem-and-leaf plot shows the ages in years of 44 US
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26 Oct 2021, 01:25
26 Oct 2021, 01:25
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62% (01:36) correct
37% (01:52) wrong based on 24 sessions
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GRE US presidents.jpg [ 55.64 KiB | Viewed 2523 times ]
The preceding stem-and-leaf plot shows the ages in years of 44 US Presidents on inauguration day.
Quantity A |
Quantity B |
The mode of the data |
The median of the data |
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 stem-and-leaf plot shows the ages in years of 44 US
[#permalink]
26 Oct 2021, 20:13
26 Oct 2021, 20:13
How to solve this? This is coming frequently in hard section of GRE
The preceding stem-and-leaf plot shows the ages in years of 44 US
[#permalink]
26 Oct 2021, 20:22
26 Oct 2021, 20:22
1
Age will be shown as the unit digit from leaves and the tens digit from the stem.
You can combine those and get the ages of all \(44\) presidents.
From the chart, it is clear that the mode \(= 54\) As it gets repeated five times.
The median will be the age between \(22\)nd & \(23\)rd president when age is in ascending order.
When in ascending order, the age of \(22\)nd president \(= 54\) yrs & of \(23\)rd president \(= 55\) yrs
Hence, median \(= \frac{54+55}{2} = 54.5\) yrs
Qt B > Qt A
Answer B
You can combine those and get the ages of all \(44\) presidents.
From the chart, it is clear that the mode \(= 54\) As it gets repeated five times.
The median will be the age between \(22\)nd & \(23\)rd president when age is in ascending order.
When in ascending order, the age of \(22\)nd president \(= 54\) yrs & of \(23\)rd president \(= 55\) yrs
Hence, median \(= \frac{54+55}{2} = 54.5\) yrs
Qt B > Qt A
Answer B
shritisingh wrote:
How to solve this? This is coming frequently in hard section of GRE
