Jharne De and Ranjana Kumar Solutions for Chapter: Data Handling, Exercise 3: work it Out

The data given below indicates the number of televisions sold by a shop from January to June in a particular year. Draw the bar graph and answer the question:

Robin goes to a fair and plays a game there. There are three inverted buckets. A ball is hidden under one of them. Robin has to choose the bucket with the hidden ball. Fill in the blank.

Robin's chances of choosing the correct bucket are_____ .

Robin goes to a fair and plays a game there. There are seven inverted buckets. A ball is hidden under one of them. Robin has to choose the bucket with the hidden ball. If the chance is $\frac{k}{7}$, then $k$ would be _____.

Robin goes to a fair and plays a game there. There are three inverted buckets. A ball is hidden under one of them. Robin has to choose the bucket with the hidden ball. Fill in the blank.

If there were $4$ buckets, the chance would be_____ .

Robin goes to a fair and plays a game there. There are three inverted buckets. A ball is hidden under one of them. Robin has to choose the bucket with the hidden ball. If there were $20$ buckets, the chance would be $\frac{1}{n}$. Then, $n=$_____.

Find the median of the following data:
$5, 3, 2, 1, 3$
If $6$ is added to the above list, find the new median.

If the mode of the following data is $7$, find the value of $x$:

$3, 5, 6, 7, 4, 4, 7, 5, 6, x-3$

The spinning wheel shown below has numbers from $1$ to $9$, and the best prize is on number$9$. Find the probability of getting the best prize.