9th Class Mathematics Statistics Question Bank

done Statistics Total Questions - 40

• question_answer1)
  The median of the following data: 36, 46, 32, 42, 33, 52, 50, 48, 56, 60, 53, 95, 75, 80, 70 is.
  A)
   48                                done clear
  B)
   56             done clear
  C)
   52   done clear
  D)
   60 done clear
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• question_answer2)
  The mean of n observation is X. If the first item is increased by 1, seconds by 2 and so on, then the new mean is
  A)
   \[\overline{X}+n\]                     done clear
  B)
   \[\overline{X}+\frac{n}{2}\]           done clear
  C)
   \[\overline{X}+\frac{n+1}{2}\]    done clear
  D)
   None of these done clear
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• question_answer3)
  When Ahmed walked through a shopping mall. He recorded the number of customers in each shop. The data is displayed in a dot plot. What percentage of shops had at least 4 customers?
  A)
   25%                             done clear
  B)
   48%   done clear
  C)
   33%                             done clear
  D)
   44% done clear
  View Solution play_arrow

• question_answer4)
  The stem-and-leaf plot alongside shows the ten pin bowling scores of John. What percentage of John?s Scores have been 100 or higher?
  A)
   14.2                             done clear
  B)
   12.70            done clear
  C)
   21.6                             done clear
  D)
   41.17 done clear
  View Solution play_arrow

• question_answer5)
  A frequency table for the height h of the players in a basketball squad is given alongside. What is the model class?

  Height-h (cm)	Frequency
  \[170\le h<175\]	1
  \[175\le h<180\]	8
  \[180\le h<185\]	9
  \[185\le h<190\]	11
  \[190\le h<195\]	9
  \[195\le h<200\]	3
  \[200\le h<200\]	3

  A)
   \[185\le h<190\]     done clear
  B)
   \[195\le h<200\] done clear
  C)
   \[190\le h<195\]          done clear
  D)
   \[175\le h<180\] done clear
  View Solution play_arrow

• question_answer6)
  Student in a Hotel Management College were instructed to bake a cake. The table alongside shows the time taken for the students to complete the task. Students longer than 2 hours received a penalty. What percentage of students received a penalty?

  Time t (min )	Frequency
  \[55\le t<60\]	4
  \[60\le t<70\]	2
  \[70\le t<80\]	5
  \[80\le t<90\]	3
  \[90\le t<100\]	10
  \[100\le t<110\]	8
  \[110\le t<120\]	10
  \[120\le t<130\]	13
  \[130\le t<140\]	5

  A)
   43                                done clear
  B)
   46 done clear
  C)
   45                                done clear
  D)
   30 done clear
  View Solution play_arrow

• question_answer7)
  The data in the table below shows the number of people at each table at a restaurant. What is the median of this data?

  Number of people	5	6	7	8	9	10	11	12
  Frequency	1	0	3	9	12	7	4	2

  A)
   7                                 done clear
  B)
   9 done clear
  C)
   9.5                               done clear
  D)
   9.25 done clear
  View Solution play_arrow

• question_answer8)
  The table below shows the number of aces scored by tennis players in their first match of tournament What is the mean number of all tor these aces:

  No of aces	1	2	3	4	5
  Frequency	4	11	18	13	7

  A)
   3.15      done clear
  B)
   3 done clear
  C)
   3.75                             done clear
  D)
   3.95 done clear
  View Solution play_arrow

• question_answer9)
  Sixty people were asked. "How many times have you been in the cinema in the last twelve months? The results are given in the table alongside what is the mean of the data

  Number of times	Frequency
  0-5	19
  6-10	24
  11-15	10
  16-20	5
  21-25	2

  A)
   9.23                             done clear
  B)
   6.52 done clear
  C)
   7.52      done clear
  D)
   3.56 done clear
  View Solution play_arrow

• question_answer10)
  The table below shows the number of passengers in the car at a above in movie theatre. What is the range of given data?

  No. of passengers	1	2	3	4	5	6
  Frequency	2	10	10	17	11	5

  A)
   3                                 done clear
  B)
   5 done clear
  C)
   4                                 done clear
  D)
   6 done clear
  View Solution play_arrow

• question_answer11)
  The slumber of potatoes growing cm each of 100 potato plants were recorded and summarised in the table below. What is the mean number of potatoes per plant?

  No. of potatoes	0-2	3-5	6-8	9-11	12-14	15-17
  Frequency	7	11	25	40	15	2

  A)
   7.53                             done clear
  B)
   9.12             done clear
  C)
   8.53  done clear
  D)
   5.83 done clear
  View Solution play_arrow

• question_answer12)
  The table below shows the no. of passengers in the car's at a drive in movie theatre. How many cars are there in the theatre?

  No. of passengers	1	2	3	4	5	6
  Frequency	2	19	10	17	11	5

  A)
   62                                done clear
  B)
   64 done clear
  C)
   66                                done clear
  D)
   68 done clear
  View Solution play_arrow

• question_answer13)
  What is the median of (lie dam given below?
  A)
   5                                 done clear
  B)
   4               done clear
  C)
   6                                 done clear
  D)
   3 done clear
  View Solution play_arrow

• question_answer14)
  What is the mean of the data given below?
  A)
   5.4                               done clear
  B)
   5.6       done clear
  C)
   5.3                               done clear
  D)
   5.2 done clear
  View Solution play_arrow

• question_answer15)
  The speed of 120 cars measured at a particular point on country road. They are shown in the table alongside. What is the mean speed of the drivers?

  Speed v (km/h)	Frequency
  \[40\le V<50\]	1
  \[50\le V<60\]	3
  \[60\le V<70\]	17
  \[70\le V<80\]	39
  \[80\le V<90\]	48
  \[90\le V<100\]	17
  \[100\le V<110\]	4

  A)
   70.3                             done clear
  B)
   80              done clear
  C)
   70                                done clear
  D)
   803 done clear
  View Solution play_arrow

• question_answer16)
  The table alongside shows the area of the blocks of land along a street. What is the modal class of given data?

  Area  \[{{m}^{2}}\]	Frequency
  \[400\le A<500\]	5
  \[500\le A<600\]	11
  \[600\le A<700\]	12
  \[700\le A<800\]	10
  \[800\le A<900\]	8

  A)
   \[600\le A<700\]    done clear
  B)
   \[500\le A<600\] done clear
  C)
   \[700\le A<800\]           done clear
  D)
   \[400\le A<500\] done clear
  View Solution play_arrow

• question_answer17)
  What is the mean of the following data set?
  A)
   5.5                               done clear
  B)
   6.2               done clear
  C)
   4.5                               done clear
  D)
   7.2 done clear
  View Solution play_arrow

• question_answer18)
  What is the median of the following data set?
  A)
   35                                done clear
  B)
   37        done clear
  C)
   36                                done clear
  D)
   38 done clear
  View Solution play_arrow

• question_answer19)
  A randomly selected sample of small businessmen was asked the following question. How many full time employees are there in their businesses? The results are shown in the bar chart alongside. What percentage of the businessman had five or more full time employees?
  A)
   44.2%  done clear
  B)
   26% done clear
  C)
   21.5%                          done clear
  D)
   24.5% done clear
  View Solution play_arrow

• question_answer20)
  Hayden makes deliveries for a white goods store. He score the number of deliveries he make each day for 40 days. On how many days has Hayden made at least 10 deliveries?

  No. of deliveries	Frequency
  5	1
  6	4
  7	8
  8	11
  9	9
  10	5
  11	2

  A)
   10                                done clear
  B)
   7 done clear
  C)
   17                             done clear
  D)
   26 done clear
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• question_answer21)

  Direction: The pie chart given below shows the marks obtained by a student in an examination. If the total marks obtained by him in the examination were 720, answer the questions given below based on this pie chart.

  In which subject, did the student obtain 110 marks?
  A)
   Maths                           done clear
  B)
   Social studies done clear
  C)
   Science                        done clear
  D)
   Hindi done clear
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• question_answer22)

  Direction: The pie chart given below shows the marks obtained by a student in an examination. If the total marks obtained by him in the examination were 720, answer the questions given below based on this pie chart.

  What is the central angle corresponding of Maths?
  A)
   \[{{40}^{{}^\circ }}\]                                    done clear
  B)
   \[{{80}^{{}^\circ }}\] done clear
  C)
   \[{{75}^{{}^\circ }}\]                            done clear
  D)
   \[{{60}^{{}^\circ }}\] done clear
  View Solution play_arrow

• question_answer23)

  Direction: The pie chart given below shows the marks obtained by a student in an examination. If the total marks obtained by him in the examination were 720, answer the questions given below based on this pie chart.

  How many more marks were obtained by the student in English than those in Science?
  A)
   50 done clear
  B)
   20 done clear
  C)
   10                                  done clear
  D)
   40 done clear
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• question_answer24)

  Direction: The pie chart given below shows the marks obtained by a student in an examination. If the total marks obtained by him in the examination were 720, answer the questions given below based on this pie chart.

  How many marks were obtained by the student in Maths?
  A)
   130                              done clear
  B)
   160 done clear
  C)
   125                            done clear
  D)
   140 done clear
  View Solution play_arrow

• question_answer25)

  Direction: Study the following graph and answer the questions.

  Find the percentage decrease in income from 2012 to 2013
  A)
   50%                             done clear
  B)
   33% done clear
  C)
   \[37\frac{1}{2}%\]                                done clear
  D)
   Data inadequate done clear
  View Solution play_arrow

• question_answer26)

  Direction: Study the following graph and answer the questions.

  If the income shows positive growth every year throughout the period (2011- 2016), then in how many years the expenditure shows a positive growth?
  A)
   5                                 done clear
  B)
   3 done clear
  C)
   4                                 done clear
  D)
   2 done clear
  View Solution play_arrow

• question_answer27)

  Direction: Study the bar diagram given below carefully and answer the following questions based on it.

  The birth-rate of which country is 25% more than that of Netherland?
  A)
   India                           done clear
  B)
   China done clear
  C)
   Japan     done clear
  D)
   New Zealand done clear
  View Solution play_arrow

• question_answer28)

  Direction: Study the bar diagram given below carefully and answer the following questions based on it.

  The birth rate of India is what percent of the birth rate of Japan?
  A)
   165%      done clear
  B)
   155% done clear
  C)
   140%                          done clear
  D)
   100% done clear
  View Solution play_arrow

• question_answer29)

  Direction: Study the bar diagram given below carefully and answer the following questions based on it.

  The birth rate of Bangladesh is how many times the birth rate of Netherland?
  A)
   0.4                               done clear
  B)
   5.2 done clear
  C)
   4.0                             done clear
  D)
   2.5 done clear
  View Solution play_arrow

• question_answer30)

  Direction: Study the bar diagram given below carefully and answer the following questions based on it.

  What is the ratio of birth rate of India to that of France?
  A)
   5 : 11                           done clear
  B)
   11 : 5 done clear
  C)
   2 : 1                             done clear
  D)
   1 : 2 done clear
  View Solution play_arrow

• question_answer31)

  Direction: Study the bar diagram given below carefully and answer the following questions based on it.

  By how much percent is the birth rate of Japan less than the birth rate of Australia?
  A)
   30%                             done clear
  B)
   \[33\frac{1}{3}%\] done clear
  C)
   45%                             done clear
  D)
   50% done clear
  View Solution play_arrow

• question_answer32)

  Direction: Study the bar diagram given below carefully and answer the following questions based on it.

  The Birth rate of Australia is how many times than the birth rate of Japan?
  A)
   2 times                         done clear
  B)
   2.5 times         done clear
  C)
   3 times                         done clear
  D)
   1.5 times done clear
  View Solution play_arrow

• question_answer33)

  Direction: Study the bar diagram and answer the questions.

  The percentage of the girls from Social Science department? compared to (he total number of girls from all the other departments together is
  A)
   28.4                             done clear
  B)
   27 done clear
  C)
   26                              done clear
  D)
   27.4 done clear
  View Solution play_arrow

• question_answer34)

  Direction: Study the bar diagram and answer the questions.

  The difference between the total number of boys and the total number of girls from all the departments together is
  A)
   540                              done clear
  B)
   520 done clear
  C)
   360      done clear
  D)
   440 done clear
  View Solution play_arrow

• question_answer35)

  Direction: Study the bar diagram and answer the questions.

  The average number of boys from ail the departments together is
  A)
   123                              done clear
  B)
   12 done clear
  C)
   134                              done clear
  D)
   142 done clear
  View Solution play_arrow

• question_answer36)
  The percentage of the boys from Hindi department compared to the total number of boys from all the department together is
  A)
   \[33\frac{1}{2}\]                        done clear
  B)
   33 done clear
  C)
   \[33\frac{1}{3}\]                                   done clear
  D)
   30.3 done clear
  View Solution play_arrow

• question_answer37)
  Directions: Study the following table and answer the questions given below. Annual income of five schools.

  Source of Income	Schools
  	P	Q	R	S	T
  Tuition Fee.	100	50	200	100	100
  Term Fee	25	11	45	24	30
  Donation	53	22	60	51	50
  Grants	60	48	120	42	55
  Miscellaneous	12	9	15	3	10
  Total	250	140	440	220	245

  For School Q, what per cent of the income from miscellaneous is the income from donation?
  A)
   50%                             done clear
  B)
   40% done clear
  C)
   500%  done clear
  D)
   400% done clear
  View Solution play_arrow

• question_answer38)
  Directions: Study the following table and answer the questions given below. Annual income of five schools.

  Source of Income	Schools
  	P	Q	R	S	T
  Tuition Fee.	100	50	200	100	100
  Term Fee	25	11	45	24	30
  Donation	53	22	60	51	50
  Grants	60	48	120	42	55
  Miscellaneous	12	9	15	3	10
  Total	250	140	440	220	245

  Which school has the lowest percentage of income from tuition fee out of its total income?
  A)
   P                                 done clear
  B)
   Q done clear
  C)
   R                                 done clear
  D)
   S done clear
  View Solution play_arrow

• question_answer39)
  Directions: Study the following table and answer the questions given below. Annual income of five schools.

  Source of Income	Schools
  	P	Q	R	S	T
  Tuition Fee.	100	50	200	100	100
  Term Fee	25	11	45	24	30
  Donation	53	22	60	51	50
  Grants	60	48	120	42	55
  Miscellaneous	12	9	15	3	10
  Total	250	140	440	220	245

  In case of how many schools, is the income by way of tuition fee is less than four times of term fee?
  A)
   0                                 done clear
  B)
   1 done clear
  C)
   2   done clear
  D)
   3 done clear
  View Solution play_arrow

• question_answer40)
  Directions: Study the following table and answer the questions given below. Annual income of five schools.

  Source of Income	Schools
  	P	Q	R	S	T
  Tuition Fee.	100	50	200	100	100
  Term Fee	25	11	45	24	30
  Donation	53	22	60	51	50
  Grants	60	48	120	42	55
  Miscellaneous	12	9	15	3	10
  Total	250	140	440	220	245

  Which school has the lowest ratio of income by way of grants and tuition fee?
  A)
   T         done clear
  B)
   Q done clear
  C)
   R                                 done clear
  D)
   S done clear
  View Solution play_arrow