The probability of celebrating the festival of Diwali in the year $2020$ on $18$ October is $1$.

For the following situation, decide the appropriate central value: mean, median or mode. Also identify whether the situation where none of these central values are useful.

A shopkeeper selling pens of different manufactures decided to replenish his stock.

For the following situation, decide the appropriate central value: mean, median or mode. Also identify whether the situation where none of these central values are useful.

While going to a picnic, if only one kind of sandwich can be bought for everyone, which is the sandwich that you will eat?

For the following situation, decide the appropriate central value: mean, median or mode. Also identify whether the situation where none of these central values are useful.

You need to decide the height of the door in your house.

For the following situation, decide the appropriate central value: mean, median or mode. Also, identify whether the situation where none of these central values are useful.

Teacher wants to see overall performance of students of the class in a Maths test.

For the following situation, decide the appropriate central value: mean, median or mode. Also identify whether the situation where none of these central values are useful.

The result of an election to decide for the Chief Minister of a state.

Find the mean of first $7$ prime numbers.

Find the mean, median and mode of the following data: $48, 45, 62, 37, 62, 30, 42, 49, 51, 53, 43$.

The following table shows the temperature in Delhi and Punjab in the first week of July.

Draw a double bar graph to represent the above data and then answer the following questions:

On which day was the temperature the same in Delhi and Punjab?