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## AP Board 7th Class Maths Bits 6th Lesson Data Handling

Multiple Choice Questions :

Question 1.
Father of the Indian statistics is ______
(A) C.R. Rao
(B) Sir R.A. Fisher
(C) Ramanujan
(D) Aryabhatta
(A) C.R. Rao

Question 2.
Measures of Central Tendency are ______
(A) Mean
(B) Mode
(C) Median
(D) All of the above
(D) All of the above

Question 3.
A number or value that represents or shows the central tendency of a group of observations of data is ______
(A) Median
(B) Mode
(C) Arithmetic Mean
(D) None
(C) Arithmetic Mean

Question 4.
The difference between maximum and minimum values of data is its ______
(A) Mean
(B) Mode
(C) Median
(D) Range
(B) Mode Question 5.
The observation which occurs most 13. What is the mean of first 10 natural frequently in the given data is called ______ of the data.
(A) Mean
(B) Mode
(C) Median
(D) None
(B) Mode

Question 6.
Data having two modes is known as ______
(A) Unimodal data
(B) Bimodal data
(C) Trimodal data
(D) No mode
(B) Bimodal data

Question 7.
The middle most value of the data, when the observations are arranged in either ascending or descending order is called ______
(A) Mean
(B) Mode
(C) Median
(D) None
(C) Median

Question 8.
Representation of numerical data by using bars of uniform width is called ______
(A) Bar graph
(B) Pictograph
(C) Pie diagram
(D) None
(A) Bar graph

Question 9.
The parts of the circle used to ______
(A) Triangles
(B) Rectangles
(C) Sectors
(D) Bars
(C) Sectors

Question 10.
The visual representation of the numerical data by sectors of a circle is ______
(A) Pie chart
(B) Bar graph
(C) Pictograph
(D) None
(A) Pie chart

Question 11.
The mean of first five even numbers is
(A) 6
(B) 8
(C) 5
(D) 10
(A) 6

Question 12.
The appropriate representative value for the following situation is to know the performance of students in a Maths test is ______
(A) Mode
(B) Median
(C) Mean
(D) All
(C) Mean Question 13.
What is the mean of first 10 natural numbers?
(A) 5.4
(B) 5.6
(C) 5.3
(D) 5.5
(D) 5.5

Question 14.
The mean of 2, 3, 4, 7, 11, x, 9 is 6, then the value of x is ______
(A) 4
(B) 5
(C) 6
(D) 7
(C) 6

Question 15.
The median of 1, 2, 0, 3, 7, 5, 2.5 is ______
(A) 2
(B) 2.5
(C) 1
(D) 1.5
(B) 2.5

Question 16.
What is the mode of the observations 2, 3, 5, 2, 7, 3, 2, 8, 6?
(A) 5
(B) 3
(C) 2, 5
(D) 2
(D) 2

Question 17.
Measure of central tendency involved in preparation of number of sweets for a function is ______
(A) Mean
(B) Median
(C) Mode
(D) None
(A) Mean

Question 18.
From different sizeg of Chappals opting a suitable size is ______
(A) Mean
(B) Median
(C) Mode
(D) None
(C) Mode

Question 19.
If 1 is added to 3, 4, 5, 5, 8 then the value of its mean is ______
(A) remains same
(B) increases the mode
(C) increases by 1
(D) none
(C) increases by 1

Question 20.
What is the difference between the median and mode of the following data? 32, 38, 33, 35, 34, 35, 42
(A) 0
(B) 2
(C) 3
(D) 7
(A) 0 Question 21.
Which of the following is called Bimodal data?
(A) 3, 5, 9, 6, 5, 9, 2, 9, 3, 5
(B) -0, 1, 2, 3, 3, 4, 5, 6, 7, 8
(C) 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
(D) 5, 6, 3, 5, 4, 9, 5, 6, 4, 5
(A) 3, 5, 9, 6, 5, 9, 2, 9, 3, 5

Question 22.
In a class of 10th students dullers-6, average-6, above average-8, brilliant- 4. From the above figure the angle for brilliant students is ______ (A) 45°
(B) 60°
(C) 90°
(D) 30°
(B) 60°

Question 23.
From the above figure, dullers represents the angle of ______
(A) 120°
(B) 80°
(C) 150°
(D) 90°
(D) 90°

Question 24.
From the above figure, Above average represents the angle of ______
(A) 120°
(B) 110°
(C) 450°
(D) 90°
(A) 120°

Question 25.
$$\frac{\text { Sum of observations }}{\text { Number of observations }}$$ = ______
(A) Mode
(B) Median
(C) Mean
(D) Range
(C) Mean

Reasoning Questions:

Question 1.
C, G, K, O, S, V, ______
(A) Z
(B) W
(C) X
(D) A.
(D) A.

Question 2.
ZB, YD, XF WH ______
(A) VJ
(B) VI
(C) UJ
(D) UI
(A) VJ Question 3.
DCBA, STUV, HGFE, WXYZ ______
(A) KIMN
(B) LKJI
(C) JKLM
(D) LMNU
(B) LKJI

Question 4.
Z, YX, WVU, TSRQ, ______
(A) IMNOP
(B) ONMLK
(C) PONML
(D) MNOPQ
(C) PONML

Question 5.
SV ZAY, XBW, VCU, TDS, ______
(A) PER
(B) QER
(C) REP
(D) REQ
(D) REQ

Question 6.
ABP, CDQ, EFR, GHS, ______
(A) IJT
(B) JKT
(C) UU
(D) JKU
(A) IJT

Question 7.
PO, QP, RQ, SR, ______
(A) ST
(B) TS
(C) UT
(D) TU
(B) TS

Question 8.
ZM>YN, XO, WP ______
(A) VO
(B) VQ
(C) VR
(D) RV
(B) VQ

Question 9.
EV, GT, IR, KP, ______
(A) MN
(B) LM
(C) NM
(D) ML
(A) MN

Question 10.
MNM, NLK, OJI, PHG ______
(A) EOF
(B) FQE
(C) QFE
(D) GQH
(C) QFE

Fill in the blanks :

Question 1.
Father of the Statistics was ______
Sir R.A. Fisher

Question 2.
Types of measure of central tendency are ______
3

Question 3.
Arithmetic Mean (Average) = ______
$$\frac{\text { Sum of observations }}{\text { Number of observations }}$$

Question 4.
Arithmetic mean of given data always lies between the ______ and ______ observations of the data.
Highest and lowest Question 5.
Data having only one mode is known as ______
Unimodal data

Question 6.
If the number of observations is odd the median is ______
$$\left(\frac{\mathrm{n}+1}{2}\right)^{\mathrm{th}}$$ Observation

Question 7.
If number of observations is even, then the median ______
Average of $$\left(\frac{\mathrm{n}}{2}\right)^{\text {th }}$$ and $$\left(\frac{n}{2}+1\right)^{\text {th }}$$ obervations

Question 8.
Data represented in the form of picture, graphs or chats is ______
Viaual representation

Question 9.
In bar graphs the width of all rectangles (bars) is ______
equal

Question 10.
In bargraphs the height (length) of each bar is ______ to the data that it represents.
Proportional

Question 11.
Angle of the sector = ______
$$\frac{\text { Value of the item }}{\text { Sum of the value of all items }}$$ × 360°

Question 12.
The mean of first six odd numbers is ______
6

Question 13.
The mode of 1, 2, 2, 3, 3, 4, 4, 4 is ______
4

Question 14.
The median of 2, 3, 5, 2, 3, 6, 2, 4, 8 is ______
3

Question 15.
What is the average temperature of Rentachintala in the month of May for 5 days 47°C, 46.5°C, 44.5°C, 48°C, 44°C? ______
46°C

Question 16.
The mean of first 7 primes is ______
28

Question 17.
What is the mean of 2 – a, 2, 2 + a ? ______
2

Question 18.
What is the median of 7, 2, 11, 3, 5, 13, 17 ? ______
7

Question 19.
The mode of first 10 natural numbers is ______
No mode

Question 20.
If a fixed number is added to the given observation, then the change of the median is ______
Increase the median in addition to the fixed number

Question 21.
Wages of workers in a factory taken into consideration is ______
Median

Question 22.
In a class test Sreeja and Sreekari got 18 each. Aditya and Swathi got 16 each and Sonali got 17, then their average mark is ______
17

Question 23.
A data of 10 observations has a minimum value 15 and maximum value 25, then the mean of the data is always ______
Always between 15 and 25 Question 24.
The mode of the data 2, 3, 5, 9, 6, 5, 9, 3, 5, 9 is ______
Both 5 and 9

Question 25.
The median of 49, 48, 15, 20, 28, 17, 14 and 110 is ______
24

Match the following :

Question 1.

 1. Mean of 1, 2, 3, 4, 5, 6 is (A) No mode 2. Mode of 1, 2, 3, 4, 5, 6 is (B) 5 3. Median of 1, 2, 3, 4, 5, 6, 7 is (C) 3.5 4. Range of 1, 2, 3, 4, 5, 6 is (D) 3 5. Types of measure of central tendency are (E) 4

 1. $$\frac{\text { Sum of observations }}{\text { Number of observations }}$$ = ______ (A) Mode 2. The middle most yalue of the data when the data is arranged in the ascending order (B) Rang 3. The most frequently observation occured in the data is ______ (C) Median 4. Difference of maximum value and minimum value is ______ (D) Mean
 1. $$\frac{\text { Sum of observations }}{\text { Number of observations }}$$ = ______ (D) Mean 2. The middle most yalue of the data when the data is arranged in the ascending order (C) Median 3. The most frequently observation occured in the data is ______ (A) Mode 4. Difference of maximum value and minimum value is ______ (B) Rang