HARD
7th CBSE
IMPORTANT
Earn 100

Three students are asked to find the median of the 3-digit numbers so formed by using digits 2, 5, 3 (each digit is to be used once only). Their answers are as follows:

Student I. 362, Student II. 334.5 Student III. 338.5

What is your opinion about this?

50% studentsanswered this correctly

Important Questions on Data Handling

EASY
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 13 - Data Handling>CHAPTER-END EXERCISES>Q 6

A child throws a die ten times. The observations found are as follows:

6, 2, 2, 3, 1, 5, 1, 6, 2, 5 

The mode of the observations is

EASY
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 13 - Data Handling>CHAPTER-END EXERCISES>Q 7
If the number of observations is even, the median is given by
MEDIUM
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 13 - Data Handling>CHAPTER-END EXERCISES>Q 8
The probability of getting an even number, when a die is thrown, is
EASY
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 13 - Data Handling>CHAPTER-END EXERCISES>Q 9
The marks (out of 50) obtained by 9 students in mathematics are 48, 45, 30, 35, 44, 47, 49, 33, 46. The median of the marks is
HARD
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 13 - Data Handling>CHAPTER-END EXERCISES>Q 10
The mean of 5 observations is 89. If one of the observations is wrongly taken as 64 instead of 46, the correct mean is
MEDIUM
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 13 - Data Handling>CHAPTER-END EXERCISES>Q 1
The mean of first 10 natural numbers is 5.5.
EASY
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 13 - Data Handling>CHAPTER-END EXERCISES>Q 2
The mean of a set of observations is the value which divides the data into equal parts.
EASY
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 13 - Data Handling>CHAPTER-END EXERCISES>Q 3
The data collected by a person and used by another person is called primary data.