Practice the AP 7th Class Maths Bits with Answers 6th Lesson Data Handling on a regular basis so that you can attempt exams with utmost confidence.

## 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

Answer:

(A) C.R. Rao

Question 2.

Measures of Central Tendency are ______

(A) Mean

(B) Mode

(C) Median

(D) All of the above

Answer:

(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

Answer:

(C) Arithmetic Mean

Question 4.

The difference between maximum and minimum values of data is its ______

(A) Mean

(B) Mode

(C) Median

(D) Range

Answer:

(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

Answer:

(B) Mode

Question 6.

Data having two modes is known as ______

(A) Unimodal data

(B) Bimodal data

(C) Trimodal data

(D) No mode

Answer:

(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

Answer:

(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

Answer:

(A) Bar graph

Question 9.

The parts of the circle used to ______

(A) Triangles

(B) Rectangles

(C) Sectors

(D) Bars

Answer:

(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

Answer:

(A) Pie chart

Question 11.

The mean of first five even numbers is

(A) 6

(B) 8

(C) 5

(D) 10

Answer:

(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

Answer:

(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

Answer:

(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

Answer:

(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

Answer:

(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

Answer:

(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

Answer:

(A) Mean

Question 18.

From different sizeg of Chappals opting a suitable size is ______

(A) Mean

(B) Median

(C) Mode

(D) None

Answer:

(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

Answer:

(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

Answer:

(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

Answer:

(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°

Answer:

(B) 60°

Question 23.

From the above figure, dullers represents the angle of ______

(A) 120°

(B) 80°

(C) 150°

(D) 90°

Answer:

(D) 90°

Question 24.

From the above figure, Above average represents the angle of ______

(A) 120°

(B) 110°

(C) 450°

(D) 90°

Answer:

(A) 120°

Question 25.

\(\frac{\text { Sum of observations }}{\text { Number of observations }}\) = ______

(A) Mode

(B) Median

(C) Mean

(D) Range

Answer:

(C) Mean

Reasoning Questions:

Question 1.

C, G, K, O, S, V, ______

(A) Z

(B) W

(C) X

(D) A.

Answer:

(D) A.

Question 2.

ZB, YD, XF WH ______

(A) VJ

(B) VI

(C) UJ

(D) UI

Answer:

(A) VJ

Question 3.

DCBA, STUV, HGFE, WXYZ ______

(A) KIMN

(B) LKJI

(C) JKLM

(D) LMNU

Answer:

(B) LKJI

Question 4.

Z, YX, WVU, TSRQ, ______

(A) IMNOP

(B) ONMLK

(C) PONML

(D) MNOPQ

Answer:

(C) PONML

Question 5.

SV ZAY, XBW, VCU, TDS, ______

(A) PER

(B) QER

(C) REP

(D) REQ

Answer:

(D) REQ

Question 6.

ABP, CDQ, EFR, GHS, ______

(A) IJT

(B) JKT

(C) UU

(D) JKU

Answer:

(A) IJT

Question 7.

PO, QP, RQ, SR, ______

(A) ST

(B) TS

(C) UT

(D) TU

Answer:

(B) TS

Question 8.

ZM>YN, XO, WP ______

(A) VO

(B) VQ

(C) VR

(D) RV

Answer:

(B) VQ

Question 9.

EV, GT, IR, KP, ______

(A) MN

(B) LM

(C) NM

(D) ML

Answer:

(A) MN

Question 10.

MNM, NLK, OJI, PHG ______

(A) EOF

(B) FQE

(C) QFE

(D) GQH

Answer:

(C) QFE

Fill in the blanks :

Question 1.

Father of the Statistics was ______

Answer:

Sir R.A. Fisher

Question 2.

Types of measure of central tendency are ______

Answer:

3

Question 3.

Arithmetic Mean (Average) = ______

Answer:

\(\frac{\text { Sum of observations }}{\text { Number of observations }}\)

Question 4.

Arithmetic mean of given data always lies between the ______ and ______ observations of the data.

Answer:

Highest and lowest

Question 5.

Data having only one mode is known as ______

Answer:

Unimodal data

Question 6.

If the number of observations is odd the median is ______

Answer:

\(\left(\frac{\mathrm{n}+1}{2}\right)^{\mathrm{th}}\) Observation

Question 7.

If number of observations is even, then the median ______

Answer:

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 ______

Answer:

Viaual representation

Question 9.

In bar graphs the width of all rectangles (bars) is ______

Answer:

equal

Question 10.

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

Answer:

Proportional

Question 11.

Angle of the sector = ______

Answer:

\(\frac{\text { Value of the item }}{\text { Sum of the value of all items }}\) × 360°

Question 12.

The mean of first six odd numbers is ______

Answer:

6

Question 13.

The mode of 1, 2, 2, 3, 3, 4, 4, 4 is ______

Answer:

4

Question 14.

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

Answer:

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? ______

Answer:

46°C

Question 16.

The mean of first 7 primes is ______

Answer:

28

Question 17.

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

Answer:

2

Question 18.

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

Answer:

7

Question 19.

The mode of first 10 natural numbers is ______

Answer:

No mode

Question 20.

If a fixed number is added to the given observation, then the change of the median is ______

Answer:

Increase the median in addition to the fixed number

Question 21.

Wages of workers in a factory taken into consideration is ______

Answer:

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 ______

Answer:

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 ______

Answer:

Always between 15 and 25

Question 24.

The mode of the data 2, 3, 5, 9, 6, 5, 9, 3, 5, 9 is ______

Answer:

Both 5 and 9

Question 25.

The median of 49, 48, 15, 20, 28, 17, 14 and 110 is ______

Answer:

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 |

Answer:

1. Mean of 1, 2, 3, 4, 5, 6 is | (C) 3.5 |

2. Mode of 1, 2, 3, 4, 5, 6 is | (A) No mode |

3. Median of 1, 2, 3, 4, 5, 6, 7 is | (E) 4 |

4. Range of 1, 2, 3, 4, 5, 6 is | (B) 5 |

5. Types of measure of central tendency are | (D) 3 |

Question 2.

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 |

Answer:

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 |