Mathematics>Statistics and Probability>Data Collection and Averages>Collecting Data

Collecting Data

IMPORTANT

Collecting Data: Overview

This topic covers concepts, such as, Data Handling, Collection of Data, Process of Data Collection & Data Collection Sheet etc.

Important Questions on Collecting Data

EASY

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 1

In the following data a pair of subject and semester is given. Find out the correct combination of roll number and the semester for the Mathematics subject securing 79 marks.
MARKS SECURED BY STUDENTS OUT OF MAXIMUM MARKS OF100 in I^st and II^nd SEMESTERS IN DIFFERENT SUBJECTS

Roll Number	Hindi		English		Mathematics		Science		Social Science
Roll Number	I	II	I	II	I	II	I	II	I	II
A 2012	67	65	66	64	73	70	65	68	63	69
B 2013	70	69	95	67	72	79	64	66	68	72
A 2013	65	68	71	68	67	63	68	65	77	73
A 2014	62	73	78	75	65	67	73	70	71	68
C 2011	63	67	68	72	72	73	68	69	65	71
B 2014	74	71	70	74	63	65	75	71	69	64
B 2011	66	62	73	78	68	72	69	67	67	70
C 2013	71	70	69	73	64	68	71	74	72	76

EASY

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 2

In the following data a pair of subject and semester is given. Find out the correct combination of roll number and the semester for English subject securing 71 marks.
MARKS SECURED BY STUDENTS OUT OF MAXIMUM MARKS OF100 in I^st and II^nd SEMESTERS IN DIFFERENT SUBJECTS.

Roll Number	Hindi		English		Mathematics		Science		Social Science
Roll Number	I	II	I	II	I	II	I	II	I	II
A 2012	67	65	66	64	73	70	65	68	63	69
B 2013	70	69	95	67	72	79	64	66	68	72
A 2013	65	68	71	68	67	63	68	65	77	73
A 2014	62	73	78	75	65	67	73	70	71	68
C 2011	63	67	68	72	72	73	68	69	65	71
B 2014	74	71	70	74	63	65	75	71	69	64
B 2011	66	62	73	78	68	72	69	67	67	70
C 2013	71	70	69	73	64	68	71	74	72	76

MEDIUM

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 3

Read the following table carefully and answer the questions given below.

Number of students in $5$ Schools in various years.

School/Year	A	B	C	D	E
$2008$	$560$	$820$	$340$	$750$	$260$
$2009$	$380$	$910$	$580$	$380$	$890$
$2010$	$450$	$640$	$960$	$820$	$640$
$2011$	$830$	$310$	$750$	$1010$	$920$
$2012$	$920$	$720$	$610$	$950$	$360$
$2013$	$440$	$530$	$860$	$640$	$480$

What is the difference between the number of students in school B in $2008$ and number of students in school D in $2010$ ?

EASY

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 4

In the following data a pair of subject and semester is given. Determine the subject in which candidate bearing the roll number A 2013, secured the least marks in second semester.

MARKS SECURED BY STUDENTS OUT OF MAXIMUM MARKS OF100 IN I^st AND II^nd SEMESTERS IN DIFFERENT SUBJECTS

Roll Number	Hindi		English		Mathematics		Science		Social Science
Roll Number	I	II	I	II	I	II	I	II	I	II
A 2012	67	65	66	64	73	70	65	68	63	69
B 2013	70	69	95	67	72	79	64	66	68	72
A 2013	65	68	71	68	67	63	68	65	77	73
A 2014	62	73	78	75	65	67	73	70	71	68
C 2011	63	67	68	72	72	73	68	69	65	71
B 2014	74	71	70	74	63	65	75	71	69	64
B 2011	66	62	73	78	68	72	69	67	67	70
C 2013	71	70	69	73	64	68	71	74	72	76

EASY

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 5

The tally mark Question Image shows frequency _____.

EASY

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 6

In the following data a pair of subject and semester is given. Determine the subject in which candidate bearing the roll number A 2014 secured the least marks in I^st semester.

MARKS SECURED BY STUDENTS OUT OF MAXIMUM MARKS OF100 IN I^st and II^nd SEMESTERS IN DIFFERENT SUBJECTS

Roll Number	Hindi		English		Mathematics		Science		Social Science
Roll Number	I	II	I	II	I	II	I	II	I	II
A 2012	67	65	66	64	73	70	65	68	63	69
B 2013	70	69	95	67	72	79	64	66	68	72
A 2013	65	68	71	68	67	63	68	65	77	73
A 2014	62	73	78	75	65	67	73	70	71	68
C 2011	63	67	68	72	72	73	68	69	65	71
B 2014	74	71	70	74	63	65	75	71	69	64
B 2011	66	62	73	78	68	72	69	67	67	70
C 2013	71	70	69	73	64	68	71	74	72	76

MEDIUM

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 7

Study the following table carefully and answer accordingly-

Food grains production in a country in $2012$ (In lac tonnes)

State	Rice	Pulse	Wheat	barley	Maize	Other
A	$140$	$30$	$40$	$18$	$27$	$25$
B	$120$	$20$	$45$	$24$	$28$	$12$
C	$56$	$24$	$50$	$24$	$24$	$30$
D	$72$	$30$	$42$	$25$	$18$	$20$
E	$64$	$24$	$60$	$30$	$36$	$25$
F	$30$	$20$	$90$	$36$	$30$	$18$
G	$48$	$28$	$120$	$10$	$18$	$24$

What was the ratio of pulse production to maize production in the country?

MEDIUM

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 8

Read the following table carefully and answer the questions given below.

Number of students in $5$ Schools in various years.

School/Year	A	B	C	D	E
$2008$	$560$	$820$	$340$	$750$	$260$
$2009$	$380$	$910$	$580$	$380$	$890$
$2010$	$450$	$640$	$960$	$820$	$640$
$2011$	$830$	$310$	$750$	$1010$	$920$
$2012$	$920$	$720$	$610$	$950$	$360$
$2013$	$440$	$530$	$860$	$640$	$480$

What is the total number of students in all the schools together in $2010$ ?

EASY

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 9

In the following data a pair of subject and semester is given. Find out the correct combination of roll number and the semester for the Science subject securing 64 marks.
MARKS SECURED BY STUDENTS OUT OF MAXIMUM MARKS OF100 in I^st and II^nd SEMESTERS IN DIFFERENT SUBJECTS

Roll Number	Hindi		English		Mathematics		Science		Social Science
Roll Number	I	II	I	II	I	II	I	II	I	II
A 2012	67	65	66	64	73	70	65	68	63	69
B 2013	70	69	95	67	72	79	64	66	68	72
A 2013	65	68	71	68	67	63	68	65	77	73
A 2014	62	73	78	75	65	67	73	70	71	68
C 2011	63	67	68	72	72	73	68	69	65	71
B 2014	74	71	70	74	63	65	75	71	69	64
B 2011	66	62	73	78	68	72	69	67	67	70
C 2013	71	70	69	73	64	68	71	74	72	76

MEDIUM

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 10

Study the following table carefully and answer accordingly-

Food grains production in a country in $2012$ (In lac tonnes)

State	Rice	Pulse	Wheat	barley	Maize	Other
A	$140$	$30$	$40$	$18$	$27$	$25$
B	$120$	$20$	$45$	$24$	$28$	$12$
C	$56$	$24$	$50$	$24$	$24$	$30$
D	$72$	$30$	$42$	$25$	$18$	$20$
E	$64$	$24$	$60$	$30$	$36$	$25$
F	$30$	$20$	$90$	$36$	$30$	$18$
G	$48$	$28$	$120$	$10$	$18$	$24$

If the average yield per hectares of maize in the country was

24

tonnes then the area under maize cultivation during that year was (In lakh hectares) (Approx)

MEDIUM

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 11

Read the following table carefully and answer the questions given below.

Number of students in $5$ Schools in various years.

School/Year	A	B	C	D	E
$2008$	$560$	$820$	$340$	$750$	$260$
$2009$	$380$	$910$	$580$	$380$	$890$
$2010$	$450$	$640$	$960$	$820$	$640$
$2011$	$830$	$310$	$750$	$1010$	$920$
$2012$	$920$	$720$	$610$	$950$	$360$
$2013$	$440$	$530$	$860$	$640$	$480$

What is the average number of students in school B in all the years together?

EASY

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 12

Representation of data in the form of a picture is called _____.

EASY

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 13

In the following data a pair of subject and semester is given. Determine the subject in which candidate bearing the roll number B 2011secured the least marks in second semester.

MARKS SECURED BY STUDENTS OUT OF MAXIMUM MARKS OF100 IN I^st and II^nd SEMESTERS IN DIFFERENT SUBJECTS

Roll Number	Hindi		English		Mathematics		Science		Social Science
Roll Number	I	II	I	II	I	II	I	II	I	II
A 2012	67	65	66	64	73	70	65	68	63	69
B 2013	70	69	95	67	72	79	64	66	68	72
A 2013	65	68	71	68	67	63	68	65	77	73
A 2014	62	73	78	75	65	67	73	70	71	68
C 2011	63	67	68	72	72	73	68	69	65	71
B 2014	74	71	70	74	63	65	75	71	69	64
B 2011	66	62	73	78	68	72	69	67	67	70
C 2013	71	70	69	73	64	68	71	74	72	76

EASY

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 14

In the following data a pair of subject and semester is given. Find out the correct combination of roll number and the semester for Hindi subject securing 63 marks.
MARKS SECURED BY STUDENTS OUT OF MAXIMUM MARKS OF100 in I^st and II^nd SEMESTERS IN DIFFERENT SUBJECTS

Roll Number	Hindi		English		Mathematics		Science		Social Science
Roll Number	I	II	I	II	I	II	I	II	I	II
A 2012	67	65	66	64	73	70	65	68	63	69
B 2013	70	69	95	67	72	79	64	66	68	72
A 2013	65	68	71	68	67	63	68	65	77	73
A 2014	62	73	78	75	65	67	73	70	71	68
C 2011	63	67	68	72	72	73	68	69	65	71
B 2014	74	71	70	74	63	65	75	71	69	64
B 2011	66	62	73	78	68	72	69	67	67	70
C 2013	71	70	69	73	64	68	71	74	72	76

EASY

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 15

In the following data a pair of subject and semester is given. Find out the correct combination of roll number and the semester for Hindi subject securing 74 marks.
MARKS SECURED BY STUDENTS OUT OF MAXIMUM MARKS OF100 in I^stand II^nd SEMESTERS IN DIFFERENT SUBJECTS

Roll Number	Hindi		English		Mathematics		Science		Social Science
Roll Number	I	II	I	II	I	II	I	II	I	II
A 2012	67	65	66	64	73	70	65	68	63	69
B 2013	70	69	95	67	72	79	64	66	68	72
A 2013	65	68	71	68	67	63	68	65	77	73
A 2014	62	73	78	75	65	67	73	70	71	68
C 2011	63	67	68	72	72	73	68	69	65	71
B 2014	74	71	70	74	63	65	75	71	69	64
B 2011	66	62	73	78	68	72	69	67	67	70
C 2013	71	70	69	73	64	68	71	74	72	76

MEDIUM

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 16

Study the following table carefully and answer accordingly-

Food grains production in a country in $2012$ (In lac tonnes)

State	Rice	Pulse	Wheat	barley	Maize	Other
A	$140$	$30$	$40$	$18$	$27$	$25$
B	$120$	$20$	$45$	$24$	$28$	$12$
C	$56$	$24$	$50$	$24$	$24$	$30$
D	$72$	$30$	$42$	$25$	$18$	$20$
E	$64$	$24$	$60$	$30$	$36$	$25$
F	$30$	$20$	$90$	$36$	$30$	$18$
G	$48$	$28$	$120$	$10$	$18$	$24$

Total rice production of the country is how much more/less than the total wheat production?

EASY

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 17

In the following data a pair of subject and semester is given. Determine the subject in which candidate bearing the roll number B 2013 secured the least marks in first semester.

MARKS SECURED BY STUDENTS OUT OF MAXIMUM MARKS OF100 IN I^st and II^nd SEMESTERS IN DIFFERENT SUBJECTS

Roll Number	Hindi		English		Mathematics		Science		Social Science
Roll Number	I	II	I	II	I	II	I	II	I	II
A 2012	67	65	66	64	73	70	65	68	63	69
B 2013	70	69	95	67	72	79	64	66	68	72
A 2013	65	68	71	68	67	63	68	65	77	73
A 2014	62	73	78	75	65	67	73	70	71	68
C 2011	63	67	68	72	72	73	68	69	65	71
B 2014	74	71	70	74	63	65	75	71	69	64
B 2011	66	62	73	78	68	72	69	67	67	70
C 2013	71	70	69	73	64	68	71	74	72	76

MEDIUM

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 18

Study the following table carefully and answer accordingly-

Food grains production in a country in $2012$ (In lac tonnes)

State	Rice	Pulse	Wheat	barley	Maize	Other
A	$140$	$30$	$40$	$18$	$27$	$25$
B	$120$	$20$	$45$	$24$	$28$	$12$
C	$56$	$24$	$50$	$24$	$24$	$30$
D	$72$	$30$	$42$	$25$	$18$	$20$
E	$64$	$24$	$60$	$30$	$36$	$25$
F	$30$	$20$	$90$	$36$	$30$	$18$
G	$48$	$28$	$120$	$10$	$18$	$24$

If the production of wheat in state F increases

5 %

every year what would be its estimated wheat production in

2014

? (in tonnes)

MEDIUM

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 19

Read the following table carefully and answer the questions given below.

Number of students in $5$ Schools in various years.

School/Year	A	B	C	D	E
$2008$	$560$	$820$	$340$	$750$	$260$
$2009$	$380$	$910$	$580$	$380$	$890$
$2010$	$450$	$640$	$960$	$820$	$640$
$2011$	$830$	$310$	$750$	$1010$	$920$
$2012$	$920$	$720$	$610$	$950$	$360$
$2013$	$440$	$530$	$860$	$640$	$480$

The number of students in school B in $2011$ . Is approximately what percent of the number of student in school D in $2010$ ?

EASY

IMPORTANT

Mathematics>Data Collection and Averages>Collecting Data> Q 20

In the following data a pair of subject and semester is given. Find out the correct combination of roll number and the semester for Social Science subject securing 63 marks.
MARKS SECURED BY STUDENTS OUT OF MAXIMUM MARKS OF100 in I^st and II^nd SEMESTERS IN DIFFERENT SUBJECTS

Roll Number	Hindi		English		Mathematics		Science		Social Science
Roll Number	I	II	I	II	I	II	I	II	I	II
A 2012	67	65	66	64	73	70	65	68	63	69
B 2013	70	69	95	67	72	79	64	66	68	72
A 2013	65	68	71	68	67	63	68	65	77	73
A 2014	62	73	78	75	65	67	73	70	71	68
C 2011	63	67	68	72	72	73	68	69	65	71
B 2014	74	71	70	74	63	65	75	71	69	64
B 2011	66	62	73	78	68	72	69	67	67	70
C 2013	71	70	69	73	64	68	71	74	72	76