Mid Point of Class Interval

Q.

Which of the following is correct histogram for the given data?

1. 

2. 

3. None of these

4. 

Q.

What are the mid-points of the class-intervals called?

1. None of these

2. Class mark

3. Class interval

4. Class width

Q. Class mark of a particular class is 9.5 and the class size is 6, then the class interval is

1. 3.5 - 15.5
2. 6.5 - 12.5
3. 12.5 - 18.5
4. 15.5 - 27.5

Q. In a frequency distribution, mid-point of a class is 10 and class width is 6. The lower limit of the class is:

1. 6
2. 12
3. 8
4. 7

Q. For the given class of 90-120, the class mark is ______ .

1. 115
2. 105
3. 120
4. 90

Q.

Class mark of a class is _____

1. $\frac{\text{upper limit - lower limit}}{2}$

2. Upper limit + lower limit

3. $\frac{\text{upper limit + lower limit}}{2}$

4. upper limit - lower limit

Q.

For discontinuous grouped data, the class interval is given in _______ form.

1. inclusive

2. exclusive

3. class-mark

4. frequency

Q. For the given class of 90-120, the class mark is ______ .

1. 115
2. 105
3. 90
4. 120

Q. In a frequency distribution, mid-point of a class is 10 and class width is 6. The lower limit of the class is:

1. 6
2. 12
3. 8
4. 7

Q.

For discontinuous grouped data, the class interval is given in _______ form.

1. inclusive

2. exclusive

3. class-mark

4. frequency