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Recent questions tagged statistics
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GATE BT 2022 | GA Question: 8
The above frequency chart shows the frequency distribution of marks obtained by a set of students in an exam. From the data presented above, which one of the following is $\text{CORRECT}$? mean > mode > median mode > median> mean mode > mean > median median > mode > mean
Lakshman Patel RJIT
asked
in
Quantitative Aptitude
Mar 20
by
Lakshman Patel RJIT
1.4k
points
gatebt-2022
quantitative-aptitude
data-interpretation
bar-graph
statistics
0
votes
0
answers
2
GATE BT 2021 | Question: 43
If the values of two random variables $(X,Y)$ are $(121, 360)$, $(242, 364)$ and $(363, 362)$, the value of correlation coefficient between $X$ and $Y$ (rounded off to one decimal place) is ________.
go_editor
asked
in
Probability and Statistics
Mar 1, 2021
by
go_editor
1.4k
points
gatebt-2021
numerical-answers
probability-and-statistics
statistics
correlation
0
votes
0
answers
3
GATE2019: 22
The median value for the dataset $\left ( 12, 10,16,8,90,50,30,24 \right )$ is ______________.
soujanyareddy13
asked
in
Probability and Statistics
Nov 3, 2020
by
soujanyareddy13
2.7k
points
gate2019
numerical-answers
probability-and-statistics
statistics
median
0
votes
0
answers
4
GATE2016-GA-6
Students taking an exam are divided into two groups: $P$ and $Q$ such that each group has the same number of students. The performance of each of the students in a test was evaluated out of $200$ marks. It was observed that the mean of group $P$ was $105$, while ... of group $Q$ scored marks in a narrower range than students in group $P$. The median of the marks of group $P$ is $100$.
Milicevic3306
asked
in
Quantitative Aptitude
Mar 26, 2018
by
Milicevic3306
7.9k
points
gate2016
numerical-ability
statistics
mean-and-standard-deviation
0
votes
0
answers
5
GATE2016-22
Runs scored by a batsman in five one-day matches are $55$, $75$, $67$, $88$ and $15$. The standard deviation is _________
Milicevic3306
asked
in
Probability and Statistics
Mar 26, 2018
by
Milicevic3306
7.9k
points
gate2016
numerical-answers
probability-and-statistics
statistics
standard-deviation
0
votes
0
answers
6
GATE2012-45
Consider the data set $14, 18, 14, 14, 10, 29, 33, 31, 25$. If you add $20$ to each of the values, then both mean and variance change both mean and variance are unchanged the mean is unchanged, variance changes the mean changes, the variance is unchanged
Milicevic3306
asked
in
Probability and Statistics
Mar 25, 2018
by
Milicevic3306
7.9k
points
gate2012
probability-and-statistics
statistics
mean-and-variance
0
votes
0
answers
7
GATE2018-16
Standard error is the probability of a type I error in a statistical test the error in estimating a sample standard deviation the standard deviation of a variable that follows standard normal distribution the standard deviation of distribution of sample means
gatecse
asked
in
Probability and Statistics
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
probability-and-statistics
statistics
standard-deviation
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