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Territorial Army Officers Exam Elementary Mathematics Study Material

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Statistics

Facts or information collected with a definite purpose is called

a) Median
b) Data
c) Bar chart
d) Histogram

✔Answer

Correct Answer Is : Data

Solution Is :

When the information is gathered from a source which already has the information stored, then the data is called

a)         Fictitious data
b)         Primary data
c)         Secondary data
d)        Useless data

✔Answer

Correct Answer Is : Secondary data

Solution Is :

Class mark equals to

a)         Lower limit+upper limit/2
b)         Lower limit+upper limit
c)         Upper limit-lower limit
d)         Upper limit-lower limit/2

✔Answer

Correct Answer Is : Lower limit+upper limit/2

Solution Is :

The lower limit of 45-51 is

a)         55
b)         40
c)         45
d)         51

✔Answer

Correct Answer Is : 45

Solution Is :

In the following frequency distribution, the number of students of age less than 25 years is

a)         22
b)         19
c)         30
d)         26

✔Answer

Correct Answer Is : 26

Solution Is :

If the range of distribution is 60 and the class interval is 10, then the number of classes is

a)         5
b)         6
c)         7
d)         9

✔Answer

Correct Answer Is : 6

Solution Is :

Range of the following data is 54,36,96,42,38,64,72,36,68,46

a)         46
b)         50
c)         60
d)         34

✔Answer

Correct Answer Is : 60

Solution Is :

In the distribution, the frequency of the class 3-5 is 4,8,3,6,7,2,3,5,9,4,6,5,5

a)         3
b)         7
c)         4
d)         5

✔Answer

Correct Answer Is : 4

Solution Is :

In the following frequency table, the upper limit of the fifth class is

a)         Rs 445
b)         Rs 410
c)         Rs 375
d)         Rs 480

✔Answer

Correct Answer Is : Rs 445

Solution Is :

The class mark of a class 130-180 is equal to

a)         150
b)         155
c)         165
d)         170

✔Answer

Territorial Army Officers Exam Elementary Mathematics Study Material

Statistics

Facts or information collected with a definite purpose is called

Correct Answer Is : Data

Solution Is :

When the information is gathered from a source which already has the information stored, then the data is called

Correct Answer Is : Secondary data

Solution Is :

Class mark equals to

Correct Answer Is : Lower limit+upper limit/2

Solution Is :

The lower limit of 45-51 is

Correct Answer Is : 45

Solution Is :

In the following frequency distribution, the number of students of age less than 25 years is

Correct Answer Is : 26

Solution Is :

If the range of distribution is 60 and the class interval is 10, then the number of classes is

Correct Answer Is : 6

Solution Is :

Range of the following data is 54,36,96,42,38,64,72,36,68,46

Correct Answer Is : 60

Solution Is :

In the distribution, the frequency of the class 3-5 is 4,8,3,6,7,2,3,5,9,4,6,5,5

Correct Answer Is : 4

Solution Is :

In the following frequency table, the upper limit of the fifth class is

Correct Answer Is : Rs 445

Solution Is :

The class mark of a class 130-180 is equal to

Correct Answer Is : 155

Solution Is :

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