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Recent questions tagged statistics
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GATE Mechanical 2021 Set 2 | Question: 8
A $\text{PERT}$ network has $9$ activities on its critical path. The standard deviation of each activity on the critical path is $3$. The standard deviation of the critical path is $3$ $9$ $27$ $81$
go_editor
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Probability and Statistics
Mar 1, 2021
by
go_editor
5.0k
points
gateme-2021-set2
probability-and-statistics
statistics
mode-and-standard-deviation
1
answer
0
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GATE2019 ME-2: 19
If $x$ is the mean of data $3, x, 2$ and $4$, then the mode is _____
Arjun
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Probability and Statistics
Feb 9, 2019
by
Arjun
27.4k
points
gateme-2019-set2
numerical-answers
probability-and-statistics
statistics
0
answers
1
vote
GATE ME 2012 | Question: 65
Which of the following assertions are $\textbf{CORRECT}$? Adding $7$ to each entry in a list adds $7$ to the mean of the list. Adding $7$ to each entry in a list adds $7$ to the standard deviation of the list. Doubling each entry in a list doubles the ... the list. Doubling each entry in a list leaves the standard deviation of the list unchanged. $P,Q$ $Q,R$ $P,R$ $R,S$
Andrijana3306
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Quantitative Aptitude
Mar 20, 2018
by
Andrijana3306
1.5k
points
gateme-2012
numerical-ability
statistics
mode-and-standard-deviation
0
answers
0
votes
GATE2017 ME-2: 4
A sample of $15$ data is as follows: $17, 18, 17, 17, 13, 18, 5, 5, 6, 7, 8, 9, 20, 17, 3$. The mode of the data is $4$ $13$ $17$ $20$
Arjun
asked
in
Probability and Statistics
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set2
probability-and-statistics
statistics
mode-and-standard-deviation
0
answers
0
votes
GATE Mechanical 2017 Set 1 | GA Question: 4
In a company with $100$ employees, $45$ earn $Rs. 20,000$ per month, $25$ earn $Rs. 30000$, $20$ earn $Rs. 40000$, $8$ earn $Rs. 60000$, and $2$ earn $Rs. 150,000$. The median of the salaries is $Rs. 20,000$ $Rs. 30,000$ $Rs. 32,300$ $Rs. 40,000$
Arjun
asked
in
Quantitative Aptitude
Feb 27, 2017
by
Arjun
27.4k
points
gateme-2017-set1
numerical-ability
statistics
0
answers
0
votes
GATE Mechanical 2014 Set 2 | GA Question: 4
A regular die has six sides with numbers $1$ to $6$ marked on its sides. If a very large number of throws show the following frequencies of occurrence: $1 \rightarrow 0.167; 2 \rightarrow 0.167; 3\rightarrow 0.152; 4 \rightarrow 0.166; 5\rightarrow 0.168; 6\rightarrow 0.180$. We call this die irregular biased Gaussian insufficient
Arjun
asked
in
Quantitative Aptitude
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set2
numerical-ability
statistics
0
answers
0
votes
GATE Mechanical 2014 Set 1 | GA Question: 4
The statistics of runs scored in a series by four batsmen are provided in the following table. Who is the most consistent batsman of these four? ... $K$ $L$ $M$ $N$
Arjun
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in
Quantitative Aptitude
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set1
numerical-ability
statistics
mode-and-standard-deviation
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