Grouped Frequency Distribution

Q. In a frequency distribution, the first and the second classes are 0 -10 and 10 -20. Then, the lower limit of the fourth class is

1. 40
2. 50
3. 20
4. 30

Q.

What is the width of the class interval 50-90?

1. 30

2. 40

3. 50

4. 60

Q. What will be the first class interval, if the fifth class interval is $60-65$, the fourth class interval is $55-60$ and a total number of classes is limited to five.

1. 
2. 
3. 
4. 

Q.

Arrange the given heights of 20 students in grouped distribution with a class interval of 5. The number of students above the height of 169cm is

___

Heights (in cm): 150, 153, 162, 170, 186, 153, 162, 180, 165, 150, 178, 156, 184, 176, 173, 186, 159, 183, 180, 156.

Q.

What is the lower class limit for the class interval 40 - 70?

1. 45

2. 55

3. 35

4. 40

Q.

The weekly expenses (₹) of 30 students of a class are given below: 62 , 80 , 110 , 75 , 84 , 73 , 60 , 62, 100 , 87 , 78 , 94 , 117, 86, 65, 68, 90, 80, 118 , 72, 95, 72, 103, 96, 64, 94, 87, 85, 105, 115. Which among the given options is the correct frequency table (with class intervals 60 - 70)?

1. $\begin{array}{cc}Weeklyexpenses& NumberofStudents\\ 60-70& 6\\ 70-80& 5\\ 80-90& 7\\ 90-100& 3\\ 100-110& 3\\ 110-120& 4\end{array}$

2. $\begin{array}{cc}PocketExpense& NumberofStudents\\ 60-70& 6\\ 70-80& 5\\ 80-90& 7\\ 90-100& 5\\ 100-110& 3\\ 110-120& 4\end{array}$

3. $\begin{array}{cc}Weeklyexpenses& NumberofStudents\\ 60-70& 6\\ 70-80& 5\\ 80-90& 5\\ 90-100& 3\\ 100-110& 3\\ 110-120& 4\end{array}$

4. $\begin{array}{cc}Weeklyexpenses& NumberofStudents\\ 60-70& 6\\ 70-80& 5\\ 80-90& 5\\ 90-100& 5\\ 100-110& 7\\ 110-120& 4\end{array}$

Q.

In a frequency distribution of marks obtained by students, the mark 5 will appear in the class interval

1. 10 - 15

2. 1 - 4

3. 5 - 10

4. 0 - 5

Q.

Graphical representation of grouped frequency distribution is called

1. pie chart

2. Histogram

3. Bar graph

4. Double bar graph

Q.

Arrange the heights of the given students in a grouped distribution with a class interval of 5 and find the number of students whose height is more than 169cm.

Heights (in cm): 150, 153, 162, 170, 186, 153, 162, 180, 165, 150, 178, 156, 184, 176, 173, 186, 159, 183, 150, 156.

1. 9

2. 10

3. 15

4. 7

Q.

What will be the first class interval, if the fifth class interval is $60-65$, the fourth class interval is $55-60$ and a total number of classes is limited to five?

1. 
2. 
3. 
4.