Recent questions tagged statistics

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

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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

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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

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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

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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

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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

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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

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