Chapter 3 – Data Handling

The difference between the upper and lower limit is called

A process which results in some well defined outcome is known as :

What is the median of the data 46,64,87, 41,58,77,35,90,55,33,92?

In a bar chart, a bar of length 4 cm is drawn. If 1 cm = 1.5 l, what will 4 cm be ?

The mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 and of girls is 40 kg. Therefore, the number of boys is:

The probability of an experiment cannot be greater than :

The number of times an observation occurs in a data is called its

Suppose in a game of ludo, the player requires 1, 3, 5 and 6 to be safe. What is the probability of being unsafe ?

When a coin is thrown, total number of possible outcomes is ______.

What is the mean of x, x+3, x+6, x+9 and x+12?

There are 2 red, 3 blue and 5 black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a non-blue ball?

Hari is playing snakes and ladders. He wants a six on first dice and a four on other so as to win. What is the probability for him to win if 2nd dice already has a 4 ?

The mean of 6, y, 7, x and 14 is 8. Which of the following is true?

In a given data, arranged in an ascending or descending order, what gives the middle observation ?

There are 2 red, 3 blue and 5 black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a non-red ball?

If 1 cm = 15 students, what will be the length of line for 90 students ?

The mean of five numbers is 27. If one of the numbers is excluded, the mean gets reduced by 2. What is the excluded number?

Find the mean if the sum of 18 observations is 90.

The arithmetic mean of five given numbers is 85. What is their sum?

What is the probability of getting a sum of 13 when 2 dice are rolled ?

Two dice are thrown, find and number of outcomes.

When a die is thrown, total number of possible outcomes is ______.

There are 2 red, 3 blue and 5 black balls in a bag. A ball is drawn from the bag without looking in to the bag. What is the probability of getting a black ball?

How many possible outcomes can we get if we toss a coin and throw a dice respectively ?

In the class-interval 70-80, 80 is the

Mode of the observations 1, 2, 2, 4, 4, 5, 6, 7, 7, 7, 8, 8, 9 is :

12. The median of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 is :

On which day is the number of tourists minimum?

A dice is thrown at random. What is the probability of getting of 2?

We tossed a coin 150 times, 80 tails and 70 heads were obtained. What is the probability of getting tail ?