Question
Discuss some applications of statistics.
✓
Answer
- At present statistics has been accepted as an independent part of scientific methods. As its scope becomes wide, statistics is not only useful for quantitative data but also useful for qualitative data.
- Industrial statistics and a branch of statistics Operations Research - OR was used in the military projects during the second world war.
- In India, OR is used for national planning and survey and OR technique is used to formulate five year plans.
- OR technique can be useful for government to maximise the per capita income with minimum resources.
- In industry, by using OR technique, decisions regarding the optimum allocations of limited resources can be made and it can be planned to maximise the returns.
- To meet the market demand in future. OR technique is useful to decide the size of inventery.
- Thus, considering the use of statistics in recent times, its importance cannot be ignored.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Draw a random sample of $2$ per cent “students without replacement from $600$ students of a particular college for giving their feedback on faculty members. There are $200$ students in each of the three years ($F.Y., S.Y.$ and $T.Y.$)
Use the following three-digit random numbers :
For $F.Y. : 158, 092, 411, 745, 009, 724, 674, 550, 716, 359, 419, 696, 200, 458.$
For $S.Y.:384, 019, 679, 131, 390, 057, 299, 786, 006, 206, 729, 344, 543, 309.$
For $T.Y.: 227, 483, 741, 766, 027, 070, 648, 956, 198, 912, 200, 058, 696, 500.$
→Use the following three-digit random numbers :
For $F.Y. : 158, 092, 411, 745, 009, 724, 674, 550, 716, 359, 419, 696, 200, 458.$
For $S.Y.:384, 019, 679, 131, 390, 057, 299, 786, 006, 206, 729, 344, 543, 309.$
For $T.Y.: 227, 483, 741, 766, 027, 070, 648, 956, 198, 912, 200, 058, 696, 500.$
In how many ways can boys and girls be arranged in a row so that,
$(i)$ No two girls are together ?
$(ii)$ Boys and girls are arranged alternately ?
→$(i)$ No two girls are together ?
$(ii)$ Boys and girls are arranged alternately ?
Expand $\left(\sqrt{a}+\frac{1}{\sqrt{a}}\right)^{4}$
→The first term of a $G.P.$ is $6$ and its common ratio is $\frac{1}{2}$. If its nth term is $\frac{3}{512}$, find $n$.
→Information tregarding the ages of 250 drivers of a transport company is as under. Obtain continuous frequency distribution of equal class length from it.
To obtain the estimate of average weight of $1000$ students of a school, select a simple random sample without replacement of $15$ students using the following random numbers:
$0749, 1929, 0489, 0034, 5618, 0163, 0900, 1816, 0218, 1004, 0816, 0988, 1132, 0711, 0900, 1915, 0007, 8000, 4401, 0275, 0142, 2813, 0050, 0379, 0501.$
→$0749, 1929, 0489, 0034, 5618, 0163, 0900, 1816, 0218, 1004, 0816, 0988, 1132, 0711, 0900, 1915, 0007, 8000, 4401, 0275, 0142, 2813, 0050, 0379, 0501.$
Explain the importance of diagrams in statistical study.
The variance of a data is $64$ and its Coefficient of Variation $= 32\%$, find the mean.
→Write a brief note on coefficient of variation.
Write the advantages and disadvantages of standard deviations.