CBSE Questions for Class 11 Commerce Applied Mathematics Descriptive Statistics Quiz 2 - MCQExams.com

A symbol is used to represent $$10$$ flowers. Number of symbols to be drawn to show $$60$$ flowers is ___
  • $$6$$
  • $$12$$
  • $$11$$
  • $$10$$
$$1000$$ TV sets were sold in the year
271892_a9ff236b6a21415db15139c5d2a6e0bf.png
  • $$1985$$
  • $$1990$$
  • $$1980$$
  • $$2000$$
On joining the points if we get a straight line, that graph is called.
  • Bar graph
  • Pie chart
  • Line graph
  • None of these
The line graph shows the monthly expenditure of Vasu family. The total expenditure over the first $$3$$ months is
281954_6b4cdae575324dc195b5e6fe55da69be.png
  • $$Rs. 320$$
  • $$Rs. 600$$
  • $$Rs. 1100$$
  • $$Rs. 1400$$
Answer the following question by reading the given pictograph.
Number of TV sets sold in the year 2000 is

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  • 1990
  • 1995
  • 2008
  • 2000
The variance of first n natural numbers is
  • $$\displaystyle \frac{n^2 + 1}{12}$$
  • $$\displaystyle \frac{n^2 - 1}{12}$$
  • $$\displaystyle \frac{n^2 - 1}{6}$$
  • $$\displaystyle \frac{n^2 + 1}{2}$$
The formula of standard deviation of a grouped frequency distribution is
  • $$\displaystyle\sqrt{\frac{\sum{(x_i-\bar{x})^2}}{N}}$$
  • $$\displaystyle\frac{\sum{(x_i-\bar{x})^2fi}}{N}$$
  • $$\displaystyle\sqrt{\frac{\sum{(x_i-\bar{x})^2fi}}{N}}$$
  • $$\displaystyle\frac{\sum{(x_i-\bar{x})^2fi}}{fi}$$
On which day the bus was most crowded?

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  • Friday
  • Saturday
  • Sunday
  • Monday
If the standard deviation for the marks obtained by a student in monthly tests is 36 then the variance is
  • 6
  • 36
  • 1296
  • none of these
Which one of the following statements is correct?
  • The standard deviation for a given distribution is the square ofthe variance
  • The standard deviation for a given distribution is the square root of the variance
  • The standard deviation for a given distribution is equal to the variance
  • The standard deviation for a given distribution is halfofthe variance
Five chemical factories $$P,\,Q,\,R,\,S\;and\;T$$ are located in different cities along a river bank. Municipal officer, in order to estimate the pollution caused by these factories, counted the number of fishes present at the places where these factories discharged their wastes into the river. A graph as shown here, is plotted based on the observations.
What can be inferred from the graph ?
314493.png
  • Factory $$R$$ dumps the least toxic wastes in the river.
  • Factory $$P$$ dumps its waste into river after removing toxic wastes.
  • Fishes are maximally harmed by the toxic wastes of factory $$Q$$.
  • Factory $$T$$ dumps the most toxic wastes in the river.
Which is the highest peak?


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  • A
  • E
  • C
  • B
The difference in the sales of apple products for the year $$2000$$ and $$2001$$ is?

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  • $$4000$$
  • $$3000$$
  • $$2000$$
  • $$1000$$
The sum of sales of apple products in the years $$1999$$ and $$2000$$ is approximately equal to that in?

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  • $$1998$$
  • $$2001$$
  • $$2002$$
  • $$2003$$
The percentage increases in sales from $$2000$$ to $$2003$$ was?

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  • $$55.44\%$$
  • $$56.89\%$$
  • $$66.66\%$$
  • $$89.56\%$$
What is the ratio between total sales rate of apple product in the year $$2001 $$ to $$2003$$?

461361.PNG
  • $$5:4$$
  • $$4:3$$
  • $$4:5$$
  • $$5:3$$
Johnson's pickle factory exports bottles of pickle. The pictograph shows the number of bottles exported each day. Use the information from the graph to answer the questions.
($$1$$ pickle jar $$= 500$$)

On which day they export less number of pickle bottles?

461479_677e0fc7bc1a4f67a869d9428aa4fb9b.png
  • Monday
  • Tuesday
  • Wednesday
  • Thursday
The picture graph below shows the number of shirts ordered in each size in one week 
Which size of shirts were ordered exactly 15 shirts?

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  • Small
  • Medium
  • Large
  • Extra Large
When the heights of the given peaks are written in ascending order then what is the average of the middle two peaks?




417819_c80e9c271c7042c0bb0ce72326d7895d.bmp
  • 7950 m
  • 7560 m
  • 7650 m
  • 7850 m
Which of the following represents data that continuously changes over periods of time? 
  • Bar graph
  • Circle graph
  • Histogram
  • Line graph
Which of the two days did they export more bottles of pickles?

461478_eb30945fa50c4822af88a8cbb7bb1d5c.png
  • Monday and Wednesday
  • Thursday and Friday
  • Monday and Thursday
  • Tuesday and Friday
_______ is the graphical representation of statistical data.
  • Cartogram
  • Bar graph
  • Tree chart
  • Line polygon
A ____ graph is a chart that uses either horizontal or vertical bars to show comparisons of companies profit.
  • line
  • pie
  • bar
  • polygon
A _____ is the representation of data by using graphical symbols such as lines, bars, pie slices, histogram etc.
  • flow chart
  • diagram
  • equation
  • graph
How many more bottles of pickles were exported on Thursday than Tuesday?

461480_e476a0dec07a44e889e5aa9e5b8d5e36.png
  • $$1000$$
  • $$1200$$
  • $$1500$$
  • $$2000$$
Find the graph used in the picture.

461914.PNG
  • Line graph
  • Bar graph
  • Polygon
  • Pie graph
The foreign exchange reserves in 1997-98 was how many times that in 1994-95?
548166.jpg
  • 0.7
  • 1.2
  • 1.4
  • 1.5
Which graphs are usually scaled so that all the data can fit on the graph?
  • Line graph
  • Pie graph
  • Bar graph
  • Polyogn
The line graph shows the income of RBI department. In which of the years was the annual income the maximum?

462009.PNG
  • $$1996$$
  • $$1999$$
  • $$2000$$
  • $$2001$$
How many bottles did Johnson's food factory export each week?

461482_2c044a8a553e4d558589ba3316878486.png
  • $$210$$
  • $$30$$
  • $$105$$
  • $$15,000$$
The line graph shows the income of RBI department. In which of the years was the annual income the minimum?

462010.PNG
  • $$1995$$
  • $$1999$$
  • $$2000$$
  • $$2001$$
The frequency curve shows temperatures over $$11$$ year in Bangalore. Use the graph to answer the questions below.
Which year had the lowest temperature?

463342.PNG
  • $$2001$$
  • $$2000$$
  • $$2002$$
  • $$2010$$
Find the highest temperature in Bangalore over $$11$$ years.

463342.PNG
  • $$25^{o}C$$
  • $$45^{o}C$$
  • $$30^{o}C$$
  • $$15^{o}C$$
What is the difference in temperature between $$2003 $$ and $$2008$$?

463342.PNG
  • $$25^{o}C$$
  • $$30^{o}C$$
  • $$15^{o}C$$
  • $$5^{o}C$$
The frequency curve is similar to _____.
  • histogram graph
  • line graph
  • bar graph
  • pie graph
The line graph shows the number of students in each department of a school. What does the second number in the ordered pair $$(9, 10)$$ represent?

462013.PNG
  • Number of department
  • Line graph
  • Number of students
  • School department
What is the range of temperatures in Bangalore over $$11$$ years?

463342.PNG
  • $$20^{o}C$$
  • $$10^{o}C$$
  • $$33^{o}C$$
  • $$45^{o}C$$
How many years have temperature higher than $$35^{o}C$$?

463342.PNG
  • $$2$$
  • $$3$$
  • $$4$$
  • $$5$$
The line graph shows the number of students in each department of a school. What does the first number in the ordered pair $$(8, 30)$$ represent?

462016.PNG
  • Number of department
  • Line graph
  • Number of students
  • School department
In which age students do have the least number of mobile phones?

463348.PNG
  • $$11$$
  • $$12$$
  • $$13$$
  • $$14$$
The frequency curve shows the number of students ages $$11$$ through $$17$$ in Chennai city that have mobile phones. Refer to the frequency curve below to answer each question.
How many mobile phones do $$13$$ year-old have?

463348.PNG
  • $$10$$
  • $$15$$
  • $$20$$
  • $$25$$
The graph above shows the student participation for $$4$$ school clubs. Each student is allowed to participate in only one club. If the school has $$250$$ students, calculate the number of students not in any club.
482950.jpg
  • $$220$$
  • $$90$$
  • $$60$$
  • $$30$$
About how many mobile phones do $$14\dfrac{1}{2}$$ year old have?

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  • $$20$$
  • $$30$$
  • $$40$$
  • $$50$$
The following line graph gives the ratio of the amounts of imports by a company to the amount of exports from that company over the period from $$1995$$ to $$2001$$.
The imports were minimum proportionate to the exports of the company in the year ?

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  • $$1995$$
  • $$1996$$
  • $$1997$$
  • $$2000$$
At what age do students have the greatest number of mobile phones?

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  • $$14$$
  • $$15$$
  • $$16$$
  • $$17$$
What was the least number of mobile phones at any age?

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  • $$10$$
  • $$15$$
  • $$20$$
  • $$25$$
If the imports of the company in 1996 was Rs. 272 crores, the exports from the company in 1996 was ?
547024.JPG
  • Rs. 370 crores
  • Rs. 320 crores
  • Rs. 280 crores
  • Rs. 275 crores
Brain and Jared live in the same apartment complex and they both bike to and from the work every day. The figure above shows a typical commute home for each of them. Based on the figure, which of the following statements is true?
494012.JPG
  • It takes Brain longer to bike home because his work is farther away.
  • It takes Jared longer to bike home because his work is farther away.
  • Jared and Brain arrive home at the same time, so they must bike at about the same rate.
  • Jared bikes a longer distance than Brain in the same amount of time, so Jared must bike at a faster rate.
What is the average numbers of vehicles manufactured by Company X over the given period ? (rounded off to nearest integer)
547038.JPG
  • $$119333$$
  • $$113666$$
  • $$112778$$
  • $$111223$$
If the total number of candidates appeared in 1996 and 1997 together was 47400, then the total number of candidates qualified in these two years together was?

547121.JPG
  • 34700
  • 32100
  • 31500
  • Data inadequate
0:0:1


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