F.Y.BMS Business Statistics MCQ | Business Statistics most importance MCQ PDF

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F.Y.BMS

BUSINESS STATISTICS

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F.Y.BMS Business Statistics MCQ

 

1)    _____ are the typical values within the range of the data, that lies within the smallest and the largest observation.

a)    Dispersion

b)    Averages

c)    Frequency

d)    No. of Observations

ANS: b

 

 

2)    _____ cannot be calculated in case of distribution with open end classes.

a)    Median

b)    Mode

c)    Arithmetic Mean

d)    Quartiles

ANS: c

 

 

3)    The mean of 10 items was 50. The value of largest item was 65. It was later found that is actually 60. Therefore the correct mean is _____.

a)    50.3

b)    55.6

c)    65

d)    49.5

ANS: d

 

 

4)    14 is the mean of 7 observations. 20 is the mean of 8 observations. The mean of a combined set is given by _____.

a)    17

b)    17.2

c)    15

d)    34

ANS: b

 


5)    The sum of N observations is 630 and their mean is 42, then the value of N is _____.

a)    25

b)    20

c)    15

d)    15

ANS: d

 

 

6)    The median of the given series of observations 46, 33, 34, 38, 40, 52, 56, 58 is

a)    40

b)    52

c)    43

d)    56

ANS: c

 

 

7)    The variant values which divides the series of observation into four equal parts are called _____.

a)    Quartiles

b)    Median

c)    Mode

d)    Deciles

ANS: a

 

 

8)    The average marks of boys are 65 and that of girls are 70. The average marks of boys and girls

a)    1:03

b)    2:03

c)    3:01

d)    3:02

ANS: d

 

 

9)    combines is 67. The ratio of number of boys to number of girls is _____For a grouped frequencydistribution _____ is equal to the value corresponding to cumulative frequency N/2

a)    1st Quartile

b)    Median

c)    3rd Quartile

d)    None

ANS: b

 

 

10) Mode of 30, 50, 40, 30, 25, 20, 30, 45, 15, 28 is _____.

a)    30

b)    25

c)    40

d)    50

ANS: a

 

11) Ogive curve occur for

a)    More than type distribution

b)    Less than type distribution

c)    Both (a) and (b)

d)    None of (a) and (b)

ANS: c

 

 

12) Ogive for more than type and less than type distribution intersect at

a)    Mean

b)    Median

c)    Mode

d)    None of the above

ANS: b

 

13) With the help of histogram we can prepare

a)    Frequency Polygon

b)    Frequency Curve

c)    Frequency Distribution

d)    All the above

ANS: d

 

 

14) With the help of histogram, one can determine

a)    Median

b)    Mode

c)    Mean

d)    All the above

ANS: b

 

 

15) In case of open-end class intervals, _____ cannot be calculated

a)    Median

b)    Mode

c)    Third Quartile

d)    Arithmetic Mean

ANS: d

 

16) If an extreme value 100 is changed to 1000, the following measure does not get affected : (i) Median, (ii) Arithmetic Mean, (iii) Mode, (iv) 1st Quartile, (v) 3rd Quartile

a)    (i), (iv) and (v)

b)    Only (ii)

c)    All except (ii)

d)    (i) and (ii)

ANS: c

 

17) The arithmetic mean of 150, 250, 350, 450, 550 and 650 is _____.

a)    350

b)    400

c)    250

d)    300

ANS: b

 

 

18) If each observation in a sample of „n‟ values is 7, then the arithmetic mean of this sample is _____.

a)    n

b)    7

c)    7/n

d)    7n

ANS: b

 

 

19) _____ can be used for further algebraic treatment

a)    Median

b)    Arithmetic Mean

c)    1st Quartile

d)    Mode

ANS: b

 

 

20) If, in a set of 30 observations, each value is increased by 10, the arithmetic mean increases by _____.

a)    10

b)    3

c)    300

d)    3.33

ANS: a

 

 

21) If a frequency distribution has open end classes, one cannot calculate

a)    Median

b)    Mode

c)    Mean

d)    Quartiles

ANS: c

 

 

22) The sum of n observations is 630 and their mean is 42, then the value of n is _____.

a)    25

b)    20

c)    30

d)    15

ANS: d

 


23) _____ a/are merit/s of the measure of central tendency „arithmetic mean‟.(i) It is not affected extreme values, (ii) It can be located graphically, (iii) It is easily calculated, (iv) It is capable of further mathematical treatment.

a)    (iii)

b)    (ii) and (iii)

c)    (iii) and (iv)

d)    All of the above

ANS: c

 

 

24) If an extreme value 100 is changed to 1000, the following measure does not get affected : (i) Median, (ii) Arithmetic Mean, (iii) Mode, (iv) 1st Quartile, (v) 3rd Quartile

a)    (i), (iv) and (v)

b)    Only (ii)

c)    All Except (ii)

d)    (i) and (ii)

ANS: c

 

 

25) In case of open-end class intervals, _____ cannot be calculated.

a)    Only Median

b)    Arithmetic Mean and Mode

c)    All Quartiles

d)    Only Arithmetic Mean

ANS: d

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