# 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?

$$\begin{array}{|c|c|c|} \hline \text{Batsman} & \text{Average} & \text{Standard Deviation} \\ \hline K & 31.2 & 5.21 \\ \hline L & 46.0 & 6.35 \\ \hline M & 54.4 & 6.22 \\ \hline N & 17.9 & 5.90 \\ \hline \end{array}$$

1. $K$
2. $L$
3. $M$
4. $N$

recategorized

## Related questions

1 vote
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 mean of the list. Doubling each entry in a list leaves the standard deviation of the list unchanged. $P,Q$ $Q,R$ $P,R$ $R,S$
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
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 $Rs. 20,000$ $Rs. 30,000$ $Rs. 32,300$ $Rs. 40,000$
You are given three coins: one has heads on both faces, the second has tails on both faces, and the third has a head on one face and a tail on the other. You choose a coin at random and toss it, and it comes up heads. The probability that the other face is tails is $1/4$ $1/3$ $1/2$ $2/3$
The exports and imports (in crores of $Rs$.) of a country from $2000$ to $2007$ are given in the following bar chart. If the trade deficit is defined as excess of imports over exports, in which year is the trade deficit $1/5th$ of the exports? $2005$ $2004$ $2007$ $2006$