Plus One Economics – Chapter 15 Online Exam in English

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Chapter 15

Measures of Central Tendency.

ch15

Multi-choice Practice Exam

Question

1) This is also known as measure of central tendency :

Answers

Ratio

Proportion

Statistical average

Mean

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Question

2) Pick the odd one

Answers

Quartiles

Median

Mode

Deciles

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Question

3) Who said “An average value is a single value……. of central tendency or value” ?

Answers

Clark

Schutlz

Cowden

Groxton & Cowden

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Question

4) The most suitable average for qualitative measurement is

Answers

Arithmetic Mean

Median

Mode

Geometric Mean

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Question

5) Mode can be graphically located by means of

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Bar diagram

Pie Diagram

Histogram

Ogive

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Question

6) Which of the following is the most commonly used average ?

Answers

Arithmetic Mean

Median

Percentile

Mode

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Question

7) Who said, “Statistics as the sciences of average” ?

Answers

Marshall

Hall

Bowley

Heco

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Question

8) In how many parts averages are divided ?

Answers

Two

Three

Four

None

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Question

9) Which of the following divides data into four equal parts

Answers

Decile

Percentile

Quartile

None of these

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Question

10) Mode is equal to

Answers

3 median – 2 mean

2 median – 3 mean

3 median – 3mean

2 median – 1 mean

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Question

11) Geometric mean is type of which means :

Answers

Positional

Mathematical

Scientific

None

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Question

12) How many types of mathematical averages are there :

Answers

Three

Four

One

None of these

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Question

13) Mode is :

Answers

Mathematical average

Positional average

Median

None

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Question

14) Which average is affected most by the presence of extreme items ?

Answers

Median

Mode

Arithmetic Mean

Geometric Mean

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Question

15) The algebraic sum of deviation of a set of ‘n’ values from arithmetic mean is

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n

0

1

None of these

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Question

16) Arithmetic mean of below given data is  

100, 200, 150, 250 and 300 

Answers

100

200

500

350

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Question

17) Who said, “The Arithmetic mean is the centre of gravity of a distribution” ?

Answers

H.Secrists

Marshall

Hall

FC. Mills

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Question

18) The average value of a given variable is known as

Answers

Arithmetic Mean

Median

S.D

None of these

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Question

19) Common factor is depicted by the letter

Answers

F

c

r

A

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Question

20) Median is the

Answers

Lower extreme value

Upper extreme value

Middle value

None of the above

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Question

21) Arithmetic Mean should be

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Simple

Based on all items

Rigidly defined

All the above

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Question

22) The formula of Arithmetic mean is :

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x̅ = ΣxN

sum of x devided by n

N divided by sigma x

None of these

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Question

23) Q3 represents

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Lower quartile

Upper quartile

Median

None of these

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Question

24) Types of Arithmetic means are :

Answers

Two

Three

Five

None

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Question

25) Which is not a positional average ?

Answers

Median

Mode

Partition Value

Arithmetic mean

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Question

26) Median divides series into parts :

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Two

Three

Ten

Hundred.

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Question

27) Division of series into 100 equal parts

Answers

Deciles

Quartiles

Percentiles

None of these

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Question

28) n plus 1 devided by 10is used to calculate

Answers

Percentiles

Deciles

Quartiles

None of these

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Question

29) Pick the odd one.

Answers

Arithmetic Mean

Median

Mode

Standard Deviation 

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Question

30) Before determining median, series has to be rearranged in ascending or descending order.

Answers

True

False

Can’t say

None

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Question

31) In how many parts statistical average is devided ?

Answers

One

Two

Three

Four

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Question

32) How many types of mathamatical averages are there ?

Answers

One

Two

Three

None of these

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Question

33) How many deciles does a set of data have ?

Answers

One

Nine

Ninty Nine

Hundred

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Question

34) Select one, which is not the merit of Mode

Answers

Easy to understand

Ignores extreme values

Can find using graphical method

No need to count all frequencies

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Question

35) What is the mode of the following series ?

5, 20, 22, 10, 8, 4, 3, 17 , 10, 13, 12.

Answers

11

10

5

None of these

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Question

36) Data represented through a histogram can help in finding graphically the

Answers

Mean

Median

Mode

Standard Deviation

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Question

37) Which average would be suitable in the following case?

In case of open-ended frequency distribution.

Answers

Mean

Median

Mode

All of the above

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Question

38) Can there be a situation where mean, meadian and mode are equal ?

Answers

Yes

No

Can’t say

None of these

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Question

39) The average which can be determined through ogive is

Answers

Mode

Median

Mean

None of these

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Question

40) The central tendency based on all values is

Answers

Mean

Median

Mode

Mean Deviation

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