Frequency Distribution Table

Q. The first 15 digits of pi are as follows:
3.14159265358979

The frequency distribution table for the digits is as follows:

DIGIT	FREQUENCY
1	2
2	1
3	2
4	1
5	3
6	1
7	1
8	1
9	3

Which two digits appear for 3 times each?

1. 
   1, 7
2. 
   2, 6
3. 
   5, 9
4. 
   3, 8

Q. For the given frequency distribution table , what is the total frequency?

Quantity	Frequency
1	12
2	14
3	15
4	18
5	11

1. 
   60
2. 
   55
3. 
   70
4. 
   50

Q. If two three digit numbers are formed using the digits 1, 5, 6, 7, 8 and 9 without reputation, what is the maximum sum possible

Q.

The times (in seconds) taken by 150 athletes to run a 110 m hurdle race are tabulated below

$\begin{array}{ccccccc}Class& 13.8-14& 14-14.2& 14.2-14.4& 14.4-14.6& 14.6-14.8& 14.8-15\\ Frequency& 2& 4& 5& 71& 48& 20\end{array}$

The number of athletes who completed the race in less than 14.6 s is

1. 11

2. 82

3. 71

4. 130

Q. The table below gives the frequency distribution table for the number appearing on the top face of the die:

Number	Frequency
1	3
2	7
3	5
4	4
5	6
6	1

Which number appeared on the top face the least number of times?

1. 
   2
2. 
   4
3. 
   6
4. 
   1

Q. The following distribution table gives some data about the weights of the students in a class of 70:

Weights	Frequency
25	12
30	13
35	19
40	X
45	15

What is the value of X?

1. 
   13
2. 
   14
3. 
   10
4. 
   11

Q. Consider the following frequency table:

Observation	Frequency
1	3
2	4
3	X
4	6

It is known that the total frequency is less than 20 and is divisible by 5. What is the value of X?

1. 
   2
2. 
   6
3. 
   7
4. 
   1

Q.

The data below shows the number of occurrences of all outcomes of a dice. Find the frequency of getting a number greater than 2 but less than or equal to 5.

$\begin{array}{ccccccc}\text{Number on dice}& 1& 2& 3& 4& 5& 6\\ \text{Frequency}& 10& 12& 6& 4& 8& 10\end{array}$

1. 10

2. 12

3. 22

4. 18

Q.

Out of 200 students who are trying to improve their vocabulary, 120 students read newspaper H, 50 read newspaper T and 30 read both newspaper H and T. find the number of students

i) who read H but not T

ii) who read T but not H

iii) who don't read any newspaper

1. 30, 20, 60

2. 90, 20, 60

3. 20, 30, 60

4. 90, 20, 30

Q. In a mathematis test following marks were obtained by 40 students of class VI. Arrange these marks in a table using, tally marks.

8	1	3	7	6	5	5	4	4	2
4	9	5	3	7	1	6	5	2	7
7	3	8	4	2	8	9	5	8	6
7	4	5	6	9	6	4	4	6	6

(i) Find how many students obtained marks equal to or more than 7?
(ii) How many students obtaned marks below 4?

Q. Consider the following frequency distribution table:

Observations	Frequency	Tally Marks
1	4	||||
2	2	||
3	6	|||| |
4	5	||||
5	3	|||

Which of the following statements are true?

1. 
   Total frequency = 15
2. 
   Total frequency = 20
3. 
   Average = 3
4. 
   Average = 4

Q. The table below shows the sugar contents in an individual of different age groups, where below 100mg/dl is considered as safe, between $100$ and $125$ mg/dl is considered at risk but not called as diabetic, and above $125$ mg/dl is stated as diabetic.

Age Group	< 100mg/dL	100-125mg/dL	>125	Total
18-25	9	22	17	48
26-35	16	48	34	98
36-45	19	35	40	94
Older than 45	12	27	21	60
Total	56	132	112	300

According to the data, which age group had the smallest percentage of people with a healthy blood sugar level?

1. $18-25$
2. $36-45$
3. $26-35$
4. Older than $45$

Q. A, B, C, D and E are five boys. In these B is taller than E, but smaller than A. A is smaller than C but taller than D while D is taller than B. If all these boys stand in the order of length then who will be the second shortest?

1. A
2. D
3. E
4. B

Q.

write all numbers between 500 to 600 which do not change if the digits are written in the reverse order.