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(i) We can draw the double graph of the given data as follows:

Now,

As per the question,

The double bar graph represents the number of people who like watching and participating in various sports.

Now,

We can observe that,

The maximum number of people are fond of either watching or participating in cricket.

And,

The least number of people are fond of either watching or participating in athletics.

(ii) Here,

From the drawn bar graph,

We can observe that,

The tallest bar representing the people who like either watching or participating any sport is of cricket.

Hence,

It can be concluded that,

Cricket is the most popular game whom people either like to watch or participate.

(iii) Here,

From the drawn bar graph,

We can observe that,

The bars representing watching sports are longer than the bars representing participating in sports.

Hence,

We can conclude that,

Watching sports is preferred over participating in sports.