Download App

Presentation of data — Statistics STD 11 Commerce — Question

Gujarat BoardEnglish MediumSTD 11 CommerceStatisticsPresentation of data3 Marks
Question
Explain the importance of diagrams in statistical study.
✓

Answer

  • The objective of diagram is to present data in simple and Interesting manner. It provides an impressive medium to present the data in attractive manner. Its importance in statistical study becomes more obvious by below mentioned usages.
  • Attractive presentation : The presentation of statistical data by diagrams are so attractive that the characteristics of the data can be remembered for long time by the person who studies It.
  • Clear presentation : The data which is difficult to understand by its elaboration can be explained easily by diagrams.
  • Simple presentation : The complex data can be easily explained by diagrams.
  • Easy to compare : Two or more data can be compared easily by diagrams.
  • Helpful to children and illeterates: The presentation of data by diagrams are very useful for illeterates, less educated and children. The message of data can be understood without considering the figures of data. Diagram is a unique device to educate the children.
  • Useful for business and industries: The traders and manufacturers can advertise their products effectively with the use of attractive diagrams.
  • Useful in social sciences : The diagram becomes mendatory to focus some important aspects in the sciences like Psychology, Economics and Sociology.
  • Helpful in social reforms :The diagrams are more effective to create desired impression on the minds of people by different campaigns, to educate different classes of society for removal of social vices and implanting social reforms.
  • Concise presentation : Large volume of statistical data can be presented promptly and in concise form by diagrams.
  • Uniform interpretation : The data represented by diagrams can be easily understood irrespective of language barrier.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "3 Marks Each" from Presentation of data→Presentation of data — all question types→Statistics STD 11 Commerce question papers→Gujarat Board STD 11 Commerce question papers→Gujarat Board question paper generator→

Similar questions

A Teacher wants to check home – work of $10$ students out of $30$ students of Standard $XI$ of a school. How many random samples can be obtained using systematic sampling ?
→
Find the average percentage rise in price using weighted mean from the following data about the percentage rise in price of building material :
Material Cement Wood Steel Bricks
Weight $30$ $15$ $20$ $25$
Percentage rise in price $160$ $133$ $125$ $150$
→
Use the following random numbers to select a simple random sample without replacement of $2%$ $TV$ sets of a lot of $300$ $TV$ sets to examine the quality of the $TV$ set:
$537, 239, 028, 329, 158, 220, 764, 486, 157, 194, 016, 135.$
→
From a pack of $52$ cards in now many ways $(1)$ $2$ cards of red colour $(2)$ $2$ cards of same suit $(3)$ $2$ cards of the same colour can be selected?
→
Find the values of two extreme quartiles, $D_{9}$ and $P_{40}$ of the observations $-8,12,0,1,-4,2,-2,7,-3,5,-1$. If each observation is multiplied by $\frac{1}{2}$ then obtain the new value of each.
→

Area (in sq. mt.) of $5$ different regions is as under. Draw a pie diagram :
Region $A$ $B$ $C$ $D$ $E$
Area $5$ $8$ $29$ $44$ $71$
→
If $f: A \rightarrow N, A=\{500,1000,1300,1400\}, f(x)=\sqrt{ 5 6 0 0 - 4 x }, x \in R$ then find the value of $f(x)$ for $x=1000$. Also, for which value of $x, f(x)=20$ ?
→
In an office, there are $8$ employees of which $3$ are females and remaining are males. $3$ employees are to be selected from the office for training. In how many ways can the selection be done so that at least one male is selected ?
→
$(1)$ The mean of a variable $x$ is $25$ . Find the mean of the variable obtained by first subtracting $3$ from $x$ and then dividing it by $2$ .
$(2)$ The relation between price $(p)$ of an item and its demand $(d)$ is $d=50-2 p$. If the median of price is $₹ 11$, find the mean of demand.
$(3)$ The mode of salaries of employees of a company is $₹ 8500$. The company has decided to deduct $2 \%$ of each employee's salary for welfare fund. Find the mode for the amount of this fund.
→
State the precautions to be taken while using the secondary data.
→