Plus One Economics-Chapter 13-Practice Exam in English

# Question

1) The class midpoint is equal to

The average of the upper class limit and lower class limit

The product of upper class limit and lower class limit

The ratio of the upper class limit and lower class limit

None of the above

# Question

2) The frequency distribution of two variable is known as

Univariate distribution

Bivariate distribution

Multivariate distribution

None of the above

# Question

3) Normally, how many types of series are there

Only one

Two only

Three types

None of the above

# Question

4) Select an attribute from the below given items

Height

Caste

Weight

Cricket score

# Question

5) A variable is continuous when it can be taken within the range

One value

Certain values

Any value

None of these

# Question

6) Which of the following alternatives is true under Exclusive Method ?

The upper class limit of a class is excluded in the class interval

The upper class limit of a class is included in the class interval

The lower class limit of a class is excluded in the class interval

The lower class limit of a class is included in the class interval

# Question

7) Which of the following alternative is true ?

Range is the__

The difference between the smallest and largest observations

The difference between the largest and smallest observations

The average of the largest and smallest observations

The ratio of the largest and smallest observations

# Question

8) To arrange things in appropriate order and to put them into homogenous groups means

Organisation

Distribution

Classification

None of these

# Question

9) Which of the following alternatives is true ?

Statistical calculation in classified data are based on

The actual value of observation

The upper class limits

The lower class limits

The midpoints

# Question

10) Akash classified the students of a school on the basis of their heights as follows.

 Heights Number of students 110 – 120 75 120 – 130 30 130 – 140 15

Name the classification.

Inclusive method

Exclusive method

Wrong method

None of the above

# Question

11) How many type of continuous series are there ?

Only two

Three types

Four types

Five types

# Question

12) The below given distribution is an example for which type of distribution ?

 Marks Number of students 25 50 50 30 75 20

Individual series

Discrete series

Continuous series

None of these

# Question

13) These are the lowest and the highest values that can be included in the class.

Class intervals

Class limits

Class frequency

Class midvalue

# Question

14) The difference between the upper and lower limit is known as

Class frequency

Class interval

Magnitude of class interval

Class limit

# Question

15) The below given distribution is a case of

 Worker Wage 1 600 2 1000 3 800

Individual series

Discrete series

Continuous series

None of these

# Question

16) The number of observation corresponding to a particular class is known as

Class limit

Magnitude of class interval

Class frequency

Midvalue of a class

# Question

17) Data classification for a discrete variable is known as

Quantitative classification

Class frequency

Frequency distribution

Frequency array

# Question

18) When the upper class limit is included in the class itself, it is called

Exclusive method

Inclusive method

Open ended class

Uneqiual class

# Question

19) The difference between upper and lower limits is known as

Class limits

Class intervals

Midvalue of class

None of these

# Question

20) Individual series is also called

Simple array

Frequency array

Frequency distribution

None of these

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